{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-96958", "tracking": { "current_release_date": "2026-10-14T10:26:48.222396Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-96958", "initial_release_date": "2026-10-13T17:20:47.353342Z", "revision_history": [ { "date": "2026-10-13T17:20:47.353342Z", "number": "1", "summary": "NCSC Score created." }, { "date": "2026-10-13T18:57:56.384245Z", "number": "2", "summary": "Source connected.| CVE status created. (valid)" }, { "date": "2026-10-13T19:45:41.397424Z", "number": "3", "summary": "CVSS created.| CWES created (1).| Unknown change.| Products created (18).| References created (1).| Description created for source.| Unknown change.| Product Identifiers created (9)." }, { "date": "2026-10-13T19:45:50.265481Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-10-13T20:06:34.604318Z", "number": "5", "summary": "Source connected.| CVE status created. (valid)| News created (1)." }, { "date": "2026-10-13T20:06:48.509371Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-10-13T20:31:43.933747Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)." }, { "date": "2026-10-13T20:31:46.977646Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-10-13T20:40:05.418372Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1)." }, { "date": "2026-10-13T20:40:12.079242Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-10-14T00:26:20.108715Z", "number": "11", "summary": "CVSS created.| CWES created (1).| Products created (43).| References created (3).| Description created for source.| Unknown change.| Product Identifiers created (39)." }, { "date": "2026-10-14T01:03:33.880920Z", "number": "12", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (39).| Product Threats created (78).| Product Remediations created (39).| Product Identifiers created (9).| CWES updated (1).| Exploitable created." }, { "date": "2026-10-14T01:03:46.655226Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-10-14T10:26:37.357220Z", "number": "14", "summary": "Source connected.| CVE status created. (valid)| Products connected (23).| References created (70)." }, { "date": "2026-10-14T10:26:40.253224Z", "number": "15", "summary": "NCSC Score updated." } ], "status": "interim", "version": "15" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/10", "product": { "name": "vers:unknown/10", "product_id": "CSAFPID-5810232", "product_identification_helper": { "cpe": "cpe:/a:microsoft:.net:10.0" } } }, { "category": "product_version_range", "name": "vers:unknown/11", "product": { "name": "vers:unknown/11", "product_id": "CSAFPID-9164980", "product_identification_helper": { "cpe": "cpe:/a:microsoft:.net:11.0" } } }, { "category": "product_version_range", "name": "vers:unknown/8", "product": { "name": "vers:unknown/8", "product_id": "CSAFPID-6042657", "product_identification_helper": { "cpe": "cpe:/a:microsoft:.net:8.0" } } }, { "category": "product_version_range", "name": "vers:unknown/9", "product": { "name": 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"product_version_range", "name": "vers:unknown/>=9.0.0|<9.0.21", "product": { "name": "vers:unknown/>=9.0.0|<9.0.21", "product_id": "CSAFPID-9692392" } } ], "category": "product_name", "name": "System.Security.Cryptography.Xml" } ], "category": "vendor", "name": "dotnet" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/>=10.0.0|<=10.0.13", "product": { "name": "vers:unknown/>=10.0.0|<=10.0.13", "product_id": "CSAFPID-9691576", "product_identification_helper": { "cpe": "cpe:2.3:a:microsoft:system.security.cryptography.xml:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "system.security.cryptography.xml" } ], "category": "vendor", "name": "microsoft" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-96958", "cwe": { "id": "CWE-407", "name": "Inefficient Algorithmic Complexity" }, "notes": [ { "category": "description", "text": "Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-96958" }, { "category": "description", "text": "Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-96958" }, { "category": "description", "text": "## Executive summary\n\nMicrosoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml; System.Private.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.\n\nSigned XML fixes add input-depth and operation-count limits, prohibit DTD processing by default, validate entity references, bound encrypted-data candidate processing, and cap attributes and namespaces used by C14N transforms.\n\n## Announcement\n\nAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/488\n\n## CVSS Details\n\n- **Version:** 3.1\n- **Severity:** High\n- **Score:** 7.5\n- **Vector:** `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`\n\n- **Weakness:** CWE-407 (Inefficient Algorithmic Complexity)\n## Affected Platforms\n\n- **Platforms:** Windows, Linux, macOS\n- **Architectures:** All\n\n## Affected Packages\n\nThe vulnerability affects Microsoft .NET projects that use an affected package version listed below.\n\nPackage name | Affected version | Patched version\n------------ | ---------------- | ---------------\n[System.Security.Cryptography.Xml](https://www.nuget.org/packages/System.Security.Cryptography.Xml) | >= 10.0.0, <= 10.0.12 | 10.0.13\n[System.Security.Cryptography.Xml](https://www.nuget.org/packages/System.Security.Cryptography.Xml) | >= 11.0.0-preview.1, <= 11.0.0-rc.1 | 11.0.0-rc.2\n[System.Security.Cryptography.Xml](https://www.nuget.org/packages/System.Security.Cryptography.Xml) | >= 8.0.0, <= 8.0.4 | 8.0.5\n[System.Security.Cryptography.Xml](https://www.nuget.org/packages/System.Security.Cryptography.Xml) | >= 9.0.0, <= 9.0.20 | 9.0.21\n\n## Advisory FAQ\n\n### How do I know if I am affected?\n\nIf using a package listed in [affected packages](#affected-packages), you're exposed to the vulnerability.\n\n### How do I fix the issue?\n\n1. To fix the issue please install the latest version of .NET. If you have installed one or more .NET SDKs through Visual Studio, Visual Studio will prompt you to update Visual Studio, which will also update your .NET SDKs.\n2. If your application references the vulnerable package, update the package reference to the patched version. You can list the versions you have installed by running the `dotnet --info` command.\n\nOnce you have installed the updated runtime or SDK, restart your apps for the update to take effect.\n\nAdditionally, if you've deployed [self-contained applications](https://docs.microsoft.com/dotnet/core/deploying/#self-contained-deployments-scd) targeting any of the impacted versions, these applications are also vulnerable and must be recompiled and redeployed.\n\n## Other Information\n\n### Reporting Security Issues\n\nIf you have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the [MSRC Researcher Portal](https://msrc.microsoft.com/report/vulnerability/new). Further information can be found in the MSRC [Report an Issue FAQ](https://www.microsoft.com/msrc/faqs-report-an-issue).\n\nSecurity reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty.\n\n### Support\n\nYou can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. You can ask questions in the linked discussion issue.\n\n### Disclaimer\n\nThe information provided in this advisory is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.\n\n### External Links\n\n[CVE-2026-96958](https://www.cve.org/CVERecord?id=CVE-2026-96958)\n\n### Acknowledgements\n\n- Mateusz Gierblinski with Curios\n- Leandro Batista\n- Kevin Schmidt\n- Dr.-Ing Ashar Javed (@soaj1664ashar)\n\n### Revisions\n\nV1.0 (10/13/2026): Advisory published.", "title": "github - https://github.com/advisories/GHSA-r955-8q5j-3h83" }, { "category": "description", "text": "## Executive summary\n\nMicrosoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml; System.Private.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.\n\nSigned XML fixes add input-depth and operation-count limits, prohibit DTD processing by default, validate entity references, bound encrypted-data candidate processing, and cap attributes and namespaces used by C14N transforms.\n\n## Announcement\n\nAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/488\n\n## CVSS Details\n\n- **Version:** 3.1\n- **Severity:** High\n- **Score:** 7.5\n- **Vector:** `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`\n\n- **Weakness:** CWE-407 (Inefficient Algorithmic Complexity)\n## Affected Platforms\n\n- **Platforms:** Windows, Linux, macOS\n- **Architectures:** All\n\n## Affected Packages\n\nThe vulnerability affects Microsoft .NET projects that use an affected package version listed below.\n\nPackage name | Affected version | Patched version\n------------ | ---------------- | ---------------\n[System.Security.Cryptography.Xml](https://www.nuget.org/packages/System.Security.Cryptography.Xml) | >= 10.0.0, <= 10.0.12 | 10.0.13\n[System.Security.Cryptography.Xml](https://www.nuget.org/packages/System.Security.Cryptography.Xml) | >= 11.0.0-preview.1, <= 11.0.0-rc.1 | 11.0.0-rc.2\n[System.Security.Cryptography.Xml](https://www.nuget.org/packages/System.Security.Cryptography.Xml) | >= 8.0.0, <= 8.0.4 | 8.0.5\n[System.Security.Cryptography.Xml](https://www.nuget.org/packages/System.Security.Cryptography.Xml) | >= 9.0.0, <= 9.0.20 | 9.0.21\n\n## Advisory FAQ\n\n### How do I know if I am affected?\n\nIf using a package listed in [affected packages](#affected-packages), you're exposed to the vulnerability.\n\n### How do I fix the issue?\n\n1. To fix the issue please install the latest version of .NET. If you have installed one or more .NET SDKs through Visual Studio, Visual Studio will prompt you to update Visual Studio, which will also update your .NET SDKs.\n2. If your application references the vulnerable package, update the package reference to the patched version. You can list the versions you have installed by running the `dotnet --info` command.\n\nOnce you have installed the updated runtime or SDK, restart your apps for the update to take effect.\n\nAdditionally, if you've deployed [self-contained applications](https://docs.microsoft.com/dotnet/core/deploying/#self-contained-deployments-scd) targeting any of the impacted versions, these applications are also vulnerable and must be recompiled and redeployed.\n\n## Other Information\n\n### Reporting Security Issues\n\nIf you have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the [MSRC Researcher Portal](https://msrc.microsoft.com/report/vulnerability/new). Further information can be found in the MSRC [Report an Issue FAQ](https://www.microsoft.com/msrc/faqs-report-an-issue).\n\nSecurity reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty.\n\n### Support\n\nYou can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. You can ask questions in the linked discussion issue.\n\n### Disclaimer\n\nThe information provided in this advisory is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.\n\n### External Links\n\n[CVE-2026-96958](https://www.cve.org/CVERecord?id=CVE-2026-96958)\n\n### Acknowledgements\n\n- Mateusz Gierblinski with Curios\n- Leandro Batista\n- Kevin Schmidt\n- Dr.-Ing Ashar Javed (@soaj1664ashar)\n\n### Revisions\n\nV1.0 (10/13/2026): Advisory published.", "title": "osvnuget - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/NuGet%2FGHSA-r955-8q5j-3h83.json?alt=media" }, { "category": "description", "text": "

Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.

\n", "title": "microsoft - https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2026-Oct" }, { "category": "other", "text": "5.7", "title": "NCSC Score" }, { "category": "other", "text": "There is news data available from source Bleepingcomputer, VENDOR FIX as product remediation category, Is related to (a version of) an uncommon product", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "There is cwe data available from source Nvd", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-9691414", "CSAFPID-9691374", "CSAFPID-9691375", "CSAFPID-9691376", "CSAFPID-9691377", "CSAFPID-9691378", "CSAFPID-9691379", "CSAFPID-9691380", "CSAFPID-9691574", "CSAFPID-9691417", "CSAFPID-9691384", "CSAFPID-9691386", "CSAFPID-9691387", "CSAFPID-9691389", "CSAFPID-9691390", "CSAFPID-9691392", "CSAFPID-9691393", "CSAFPID-9691576", "CSAFPID-6063683", "CSAFPID-6063684", "CSAFPID-9692360", "CSAFPID-9692361", "CSAFPID-9692362", "CSAFPID-6063685", "CSAFPID-6063686", "CSAFPID-6063687", "CSAFPID-6063688", "CSAFPID-8868603", "CSAFPID-8868604", "CSAFPID-8868605", "CSAFPID-8868606", "CSAFPID-6063706", "CSAFPID-6063707", "CSAFPID-6063708", "CSAFPID-8868612", "CSAFPID-8868613", "CSAFPID-6063690", "CSAFPID-6063691", "CSAFPID-6063692", "CSAFPID-6063693", "CSAFPID-6063694", "CSAFPID-6063695", "CSAFPID-6063696", "CSAFPID-8868608", "CSAFPID-8868609", "CSAFPID-8868610", "CSAFPID-9692375", "CSAFPID-9692376", "CSAFPID-6063697", "CSAFPID-9692380", "CSAFPID-6063698", "CSAFPID-6063699", "CSAFPID-6063700", "CSAFPID-6063701", "CSAFPID-6063702", "CSAFPID-6063703", "CSAFPID-6063704", "CSAFPID-9692388", "CSAFPID-9692390", "CSAFPID-9692146", "CSAFPID-9692392", "CSAFPID-1520010", "CSAFPID-1520014", "CSAFPID-1520016", "CSAFPID-1520020", "CSAFPID-1520022", "CSAFPID-1520038", "CSAFPID-1520040", "CSAFPID-1520042", "CSAFPID-1520069", "CSAFPID-1520071", "CSAFPID-1606990", "CSAFPID-6033167", "CSAFPID-9164473", "CSAFPID-9685059", "CSAFPID-9685060", "CSAFPID-9685061", "CSAFPID-9685062", "CSAFPID-9685063", "CSAFPID-9685064", "CSAFPID-9685065", "CSAFPID-9685066", "CSAFPID-9685116", "CSAFPID-9685117", "CSAFPID-9685118", "CSAFPID-9692002", "CSAFPID-9692003", "CSAFPID-9692004", "CSAFPID-9692005", "CSAFPID-9692006", "CSAFPID-9692007", "CSAFPID-9692008", "CSAFPID-9692009", "CSAFPID-9692010", "CSAFPID-9692011", "CSAFPID-9692012", "CSAFPID-9692022", "CSAFPID-9693287", "CSAFPID-9693288", "CSAFPID-9693289", "CSAFPID-1373382", "CSAFPID-1373383", "CSAFPID-1373384", "CSAFPID-1373385", "CSAFPID-1373389", "CSAFPID-1373391", "CSAFPID-1373392", "CSAFPID-1373393", "CSAFPID-2470409", "CSAFPID-2470410", "CSAFPID-5118936", "CSAFPID-5118937", "CSAFPID-5793557", "CSAFPID-5810232", "CSAFPID-5810233", "CSAFPID-6042657", "CSAFPID-8968691", "CSAFPID-9164980", "CSAFPID-9164981", "CSAFPID-9696194", "CSAFPID-9696195", "CSAFPID-9696196", "CSAFPID-9696197" ] }, "references": [ { "category": "external", "summary": "Source - ncscclear", "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-96958" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0426" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-96958" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/NuGet%2FGHSA-r955-8q5j-3h83.json?alt=media" }, { "category": "external", "summary": "Source - bleepingcomputer", "url": "https://www.bleepingcomputer.com/news/microsoft/microsoft-october-2026-patch-tuesday-fixes-1-411-flaws-3-zero-days/" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-96958" }, { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-r955-8q5j-3h83" }, { "category": "external", "summary": "Source - microsoft", "url": "https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2026-Oct" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3893.json" }, { "category": "external", "summary": "News - bleepingcomputer", "url": "https://www.bleepingcomputer.com/news/microsoft/microsoft-october-2026-patch-tuesday-fixes-1-411-flaws-3-zero-days/" }, { "category": "external", "summary": "Reference - certbundde; cveprojectv5; nvd", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96958" }, { "category": "external", "summary": "Reference - github; osv", "url": "https://github.com/dotnet/runtime/security/advisories/GHSA-r955-8q5j-3h83" }, { "category": "external", "summary": "Reference - github; osv", "url": "https://github.com/dotnet/announcements/issues/488" }, { "category": "external", "summary": "Reference - github; osv", "url": "https://github.com/dotnet/runtime/issues/135709" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-r955-8q5j-3h83" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3893.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3893" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69370" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102851" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70098" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102238" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102234" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102233" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102232" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102229" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102231" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102235" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108398" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58280" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85363" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69651" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96222" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84008" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70174" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102869" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70007" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96960" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97801" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70035" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83520" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96224" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96233" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96959" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97788" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-100205" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105729" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105732" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70186" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70183" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70175" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70181" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88092" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96236" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70196" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70188" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96251" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96303" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87697" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96234" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96238" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96237" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96235" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70197" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96229" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96232" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66822" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105016" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96231" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96225" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70190" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70165" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70161" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70179" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70194" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70162" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-92707" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96230" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96957" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70159" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-103572" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102870" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85790" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://embracethered.com/blog/posts/2026/visual-studio-copilot-remote-code-execution/" } ], "remediations": [ { "category": "vendor_fix", "details": "5127684", "product_ids": [ "CSAFPID-1520010", "CSAFPID-9692007" ], "url": "https://www.catalog.update.microsoft.com/Search.aspx?q=KB5127684" }, { "category": "vendor_fix", "details": "5127686", "product_ids": [ "CSAFPID-1520014" ], "url": "https://www.catalog.update.microsoft.com/Search.aspx?q=KB5127686" }, { "category": "vendor_fix", "details": "5127688", "product_ids": [ "CSAFPID-1520016" ], "url": "https://www.catalog.update.microsoft.com/Search.aspx?q=KB5127688" }, { "category": "vendor_fix", "details": "5127685", "product_ids": [ "CSAFPID-1520020", "CSAFPID-9692004" ], "url": "https://www.catalog.update.microsoft.com/Search.aspx?q=KB5127685" }, { "category": "vendor_fix", "details": "5127687", "product_ids": [ "CSAFPID-1520022" ], "url": 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], "url": "https://www.catalog.update.microsoft.com/Search.aspx?q=KB5126868" }, { "category": "vendor_fix", "details": "5127690", "product_ids": [ "CSAFPID-6033167", "CSAFPID-9692010", "CSAFPID-9692011" ], "url": "https://www.catalog.update.microsoft.com/Search.aspx?q=KB5127690" }, { "category": "vendor_fix", "details": "5127666", "product_ids": [ "CSAFPID-9164473", "CSAFPID-9692003" ], "url": "https://www.catalog.update.microsoft.com/Search.aspx?q=KB5127666" }, { "category": "vendor_fix", "details": "5127694", "product_ids": [ "CSAFPID-9685059" ], "url": "https://www.catalog.update.microsoft.com/Search.aspx?q=KB5127694" }, { "category": "vendor_fix", "details": "5127691", "product_ids": [ "CSAFPID-9685060" ], "url": "https://www.catalog.update.microsoft.com/Search.aspx?q=KB5127691" }, { "category": "vendor_fix", "details": "Release Notes", "product_ids": [ "CSAFPID-9685061", "CSAFPID-9685062", "CSAFPID-9685063", "CSAFPID-9685064", "CSAFPID-9685065", "CSAFPID-9685066", "CSAFPID-9685116", "CSAFPID-9685117", "CSAFPID-9685118", "CSAFPID-9693287", "CSAFPID-9693288", "CSAFPID-9693289" ], "url": "https://www.nuget.org/packages/System.Security.Cryptography.Xml" }, { "category": "vendor_fix", "details": "5127683", "product_ids": [ "CSAFPID-9692005", "CSAFPID-9692006" ], "url": "https://www.catalog.update.microsoft.com/Search.aspx?q=KB5127683" }, { "category": "vendor_fix", "details": "5127689", "product_ids": [ "CSAFPID-9692008", "CSAFPID-9692009" ], "url": "https://www.catalog.update.microsoft.com/Search.aspx?q=KB5127689" }, { "category": "vendor_fix", "details": "5127692", "product_ids": [ "CSAFPID-9692012" ], "url": "https://www.catalog.update.microsoft.com/Search.aspx?q=KB5127692" }, { "category": "vendor_fix", "details": "5127696", "product_ids": [ "CSAFPID-9692022" ], "url": "https://www.catalog.update.microsoft.com/Search.aspx?q=KB5127696" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1373382", "CSAFPID-1373383", "CSAFPID-1373384", "CSAFPID-1373385", "CSAFPID-1373389", "CSAFPID-1373391", "CSAFPID-1373392", "CSAFPID-1373393", "CSAFPID-1520010", "CSAFPID-1520014", "CSAFPID-1520016", "CSAFPID-1520020", "CSAFPID-1520022", "CSAFPID-1520038", "CSAFPID-1520040", "CSAFPID-1520042", "CSAFPID-1520069", "CSAFPID-1520071", "CSAFPID-1606990", "CSAFPID-2470409", "CSAFPID-2470410", "CSAFPID-5118936", "CSAFPID-5118937", "CSAFPID-5793557", "CSAFPID-5810232", "CSAFPID-5810233", "CSAFPID-6033167", "CSAFPID-6042657", "CSAFPID-6063683", "CSAFPID-6063684", "CSAFPID-6063685", "CSAFPID-6063686", "CSAFPID-6063687", "CSAFPID-6063688", "CSAFPID-6063690", "CSAFPID-6063691", "CSAFPID-6063692", "CSAFPID-6063693", "CSAFPID-6063694", "CSAFPID-6063695", "CSAFPID-6063696", "CSAFPID-6063697", "CSAFPID-6063698", "CSAFPID-6063699", "CSAFPID-6063700", "CSAFPID-6063701", "CSAFPID-6063702", "CSAFPID-6063703", "CSAFPID-6063704", "CSAFPID-6063706", "CSAFPID-6063707", "CSAFPID-6063708", "CSAFPID-8868603", "CSAFPID-8868604", "CSAFPID-8868605", "CSAFPID-8868606", "CSAFPID-8868608", "CSAFPID-8868609", "CSAFPID-8868610", "CSAFPID-8868612", "CSAFPID-8868613", "CSAFPID-8968691", "CSAFPID-9164473", "CSAFPID-9164980", "CSAFPID-9164981", "CSAFPID-9685059", "CSAFPID-9685060", "CSAFPID-9685061", "CSAFPID-9685062", "CSAFPID-9685063", "CSAFPID-9685064", "CSAFPID-9685065", "CSAFPID-9685066", "CSAFPID-9685116", "CSAFPID-9685117", "CSAFPID-9685118", "CSAFPID-9691374", "CSAFPID-9691375", "CSAFPID-9691376", "CSAFPID-9691377", "CSAFPID-9691378", "CSAFPID-9691379", "CSAFPID-9691380", "CSAFPID-9691384", "CSAFPID-9691386", "CSAFPID-9691387", "CSAFPID-9691389", "CSAFPID-9691390", "CSAFPID-9691392", "CSAFPID-9691393", "CSAFPID-9691414", "CSAFPID-9691417", "CSAFPID-9691574", "CSAFPID-9691576", "CSAFPID-9692002", "CSAFPID-9692003", "CSAFPID-9692004", "CSAFPID-9692005", "CSAFPID-9692006", "CSAFPID-9692007", "CSAFPID-9692008", "CSAFPID-9692009", "CSAFPID-9692010", "CSAFPID-9692011", "CSAFPID-9692012", "CSAFPID-9692022", "CSAFPID-9692146", "CSAFPID-9692360", "CSAFPID-9692361", "CSAFPID-9692362", "CSAFPID-9692375", "CSAFPID-9692376", "CSAFPID-9692380", "CSAFPID-9692388", "CSAFPID-9692390", "CSAFPID-9692392", "CSAFPID-9693287", "CSAFPID-9693288", "CSAFPID-9693289", "CSAFPID-9696194", "CSAFPID-9696195", "CSAFPID-9696196", "CSAFPID-9696197" ] } ], "threats": [ { "category": "exploit_status", "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely", "product_ids": [ "CSAFPID-1520010", "CSAFPID-1520014", "CSAFPID-1520016", "CSAFPID-1520020", "CSAFPID-1520022", "CSAFPID-1520038", "CSAFPID-1520040", "CSAFPID-1520042", "CSAFPID-1520069", "CSAFPID-1520071", "CSAFPID-1606990", "CSAFPID-6033167", "CSAFPID-9164473", "CSAFPID-9685059", "CSAFPID-9685060", "CSAFPID-9685061", "CSAFPID-9685062", "CSAFPID-9685063", "CSAFPID-9685064", "CSAFPID-9685065", "CSAFPID-9685066", "CSAFPID-9685116", "CSAFPID-9685117", "CSAFPID-9685118", "CSAFPID-9692002", "CSAFPID-9692003", "CSAFPID-9692004", "CSAFPID-9692005", "CSAFPID-9692006", "CSAFPID-9692007", "CSAFPID-9692008", "CSAFPID-9692009", "CSAFPID-9692010", "CSAFPID-9692011", "CSAFPID-9692012", "CSAFPID-9692022", "CSAFPID-9693287", "CSAFPID-9693288", "CSAFPID-9693289" ] }, { "category": "impact", "details": "Denial of Service", "product_ids": [ "CSAFPID-1520010", "CSAFPID-1520014", "CSAFPID-1520016", "CSAFPID-1520020", "CSAFPID-1520022", "CSAFPID-1520038", "CSAFPID-1520040", "CSAFPID-1520042", "CSAFPID-1520069", "CSAFPID-1520071", "CSAFPID-1606990", "CSAFPID-6033167", "CSAFPID-9164473", "CSAFPID-9685059", "CSAFPID-9685060", "CSAFPID-9685061", "CSAFPID-9685062", "CSAFPID-9685063", "CSAFPID-9685064", "CSAFPID-9685065", "CSAFPID-9685066", "CSAFPID-9685116", "CSAFPID-9685117", "CSAFPID-9685118", "CSAFPID-9692002", "CSAFPID-9692003", "CSAFPID-9692004", "CSAFPID-9692005", "CSAFPID-9692006", "CSAFPID-9692007", "CSAFPID-9692008", "CSAFPID-9692009", "CSAFPID-9692010", "CSAFPID-9692011", "CSAFPID-9692012", "CSAFPID-9692022", "CSAFPID-9693287", "CSAFPID-9693288", "CSAFPID-9693289" ] }, { "category": "exploit_status", "details": "exploited" } ], "title": "CVE-2026-96958" } ] }