{ "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-2026-5281", "tracking": { "current_release_date": "2026-04-03T11:18:52.024625Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-5281", "initial_release_date": "2026-04-01T05:25:19.059565Z", "revision_history": [ { "date": "2026-04-01T05:25:19.059565Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| References created (2).| CWES updated (1)." }, { "date": "2026-04-01T05:25:20.815698Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-04-01T05:38:57.753917Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products connected (1).| References created (2).| CWES updated (1)." }, { "date": "2026-04-01T05:38:59.207044Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-04-01T07:48:01.586247Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-04-01T11:04:35.869974Z", "number": "6", "summary": "Source connected.| CVE status created. (valid)| News created (1)." }, { "date": "2026-04-01T11:04:52.707959Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-04-01T11:28:59.338752Z", "number": "8", "summary": "Source connected.| CVE status created. (valid)| Products connected (2).| References created (3)." }, { "date": "2026-04-01T11:29:02.078597Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-04-01T12:39:59.098588Z", "number": "10", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-04-01T12:40:07.842111Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-04-01T12:43:10.073760Z", "number": "12", "summary": "Source created.| CVE status created. (valid)| Products connected (2)." }, { "date": "2026-04-01T12:43:15.538113Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-04-01T13:30:07.950335Z", "number": "14", "summary": "Source created.| CVE status created. (valid)| News created (1)." }, { "date": "2026-04-01T13:30:17.076014Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-04-01T14:39:59.818474Z", "number": "16", "summary": "CVSS created.| Unknown change." }, { "date": "2026-04-01T14:40:01.974322Z", "number": "17", "summary": "NCSC Score updated." }, { "date": "2026-04-01T14:42:18.918889Z", "number": "18", "summary": "CVSS created." }, { "date": "2026-04-01T14:42:24.659269Z", "number": "19", "summary": "NCSC Score updated." }, { "date": "2026-04-01T15:01:45.870682Z", "number": "20", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-04-01T15:52:08.258515Z", "number": "21", "summary": "Source connected.| CVE status created. (valid)| News created (1)." }, { "date": "2026-04-01T15:52:11.122976Z", "number": "22", "summary": "NCSC Score updated." }, { "date": "2026-04-01T20:38:52.119778Z", "number": "23", "summary": "References created (1).| Unknown change." }, { "date": "2026-04-01T20:39:10.429764Z", "number": "24", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| Products created (1).| Exploits created (1).| References created (1).| CWES updated (1)." }, { "date": "2026-04-01T20:39:13.393337Z", "number": "25", "summary": "NCSC Score updated." }, { "date": "2026-04-01T23:02:35.870470Z", "number": "26", "summary": "Products connected (1).| Product Identifiers created (1).| References created (1)." }, { "date": "2026-04-01T23:02:40.366673Z", "number": "27", "summary": "NCSC Score updated." }, { "date": "2026-04-02T06:43:04.295003Z", "number": "28", "summary": "Description created for source." }, { "date": "2026-04-02T08:05:40.308746Z", "number": "29", "summary": "References created (1)." }, { "date": "2026-04-02T08:41:49.263968Z", "number": "30", "summary": "Source connected.| CVE status created. (valid)" }, { "date": "2026-04-02T10:16:03.660982Z", "number": "31", "summary": "NCSC Score updated." }, { "date": "2026-04-02T14:53:35.619530Z", "number": "32", "summary": "NCSC Score updated." }, { "date": "2026-04-02T14:54:24.308210Z", "number": "33", "summary": "EPSS updated." }, { "date": "2026-04-02T14:54:27.676327Z", "number": "34", "summary": "NCSC Score updated." }, { "date": "2026-04-02T23:40:19.849630Z", "number": "35", "summary": "NCSC Score updated." }, { "date": "2026-04-03T00:19:51.176961Z", "number": "36", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| Products connected (1).| Product Remediations created (1)." }, { "date": "2026-04-03T00:19:54.071708Z", "number": "37", "summary": "NCSC Score updated." }, { "date": "2026-04-03T06:42:53.046037Z", "number": "38", "summary": "Products connected (1).| Product Identifiers created (1).| Products removed (1)." }, { "date": "2026-04-03T11:18:45.189278Z", "number": "39", "summary": "NCSC Score updated." } ], "status": "interim", "version": "39" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/146.0.7680.178|<146.0.7680.178", "product": { "name": "vers:unknown/146.0.7680.178|<146.0.7680.178", "product_id": "CSAFPID-5970557" } }, { "category": "product_version_range", "name": "vers:unknown/<146.0.7680.177", "product": { "name": "vers:unknown/<146.0.7680.177", "product_id": "CSAFPID-5972652", "product_identification_helper": { "cpe": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/<146.0.7680.178", "product": { "name": "vers:unknown/<146.0.7680.178", "product_id": "CSAFPID-5972651" } } ], "category": "product_name", "name": "Chrome" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-5982469" } } ], "category": "product_name", "name": "Dawn" } ], "category": "vendor", "name": "Google" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:microsoft/*", "product": { "name": "vers:microsoft/*", "product_id": "CSAFPID-5137222", "product_identification_helper": { "cpe": "cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "Microsoft Edge (Chromium-based)" } ], "category": "product_family", "name": "Browser" } ], "category": "vendor", "name": "Microsoft" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/146.0.7680.177-1~deb12u1", "product": { "name": "vers:deb/146.0.7680.177-1~deb12u1", "product_id": "CSAFPID-5988419", "product_identification_helper": { "purl": "pkg:deb/debian/chromium@146.0.7680.177-1~deb12u1?distro=bookworm" } } } ], "category": "product_name", "name": "chromium" } ], "category": "product_family", "name": "bookworm" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-2059973" } } ], "category": "product_name", "name": "chromium" } ], "category": "product_family", "name": "bullseye" } ], "category": "vendor", "name": "Debian" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-5281", "cwe": { "id": "CWE-416", "name": "Use After Free" }, "notes": [ { "category": "description", "text": "Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-5281" }, { "category": "description", "text": "Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/5xxx/CVE-2026-5281.json" }, { "category": "description", "text": "An use after free flaw was found in the Dawn component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=491518608\nRed Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-5281.json" }, { "category": "description", "text": "Google Dawn contains an use-after-free vulnerability that could allow a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. This vulnerability could affect multiple Chromium-based products including, but not limited to, Google Chrome, Microsoft Edge, and Opera.\nApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.", "title": "cisagov - https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json" }, { "category": "description", "text": "Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-5281" }, { "category": "description", "text": "

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information. Google is aware that an exploit for CVE-2026-5281 exists in the wild.

\n", "title": "microsoft - https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2026-Apr" }, { "category": "other", "text": "0.0303", "title": "EPSS" }, { "category": "other", "text": "7.0", "title": "NCSC Score" }, { "category": "other", "text": "There is news data available from source Bleepingcomputer, The value of the most recent EPSS score, Is related to (a version of) an uncommon product, VENDOR FIX as product remediation category, There is product data available from a private source, There is cvss data available from a private source", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "There is product data available from source Debian", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 3\n", "title": "Vendor assessment" } ], "product_status": { "first_fixed": [ "CSAFPID-5988419" ], "known_affected": [ "CSAFPID-5970557", "CSAFPID-5972651", "CSAFPID-5972652", "CSAFPID-2059973", "CSAFPID-5982469", "CSAFPID-5137222" ] }, "references": [ { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-5281" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/5xxx/CVE-2026-5281.json" }, { "category": "external", "summary": "Source - bleepingcomputer", "url": "https://www.bleepingcomputer.com/news/security/google-fixes-fourth-chrome-zero-day-exploited-in-attacks-in-2026/" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0937.json" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-5281.json" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-5281" }, { "category": "external", "summary": "Source - securitynl", "url": "https://www.security.nl/posting/930780/Google+rolt+update+uit+voor+actief+aangevallen+beveiligingslek+in+Chrome?channel=rss" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - securityweek", "url": "https://www.securityweek.com/exploited-zero-day-among-21-vulnerabilities-patched-in-chrome/" }, { "category": "external", "summary": "Source - cisagov", "url": "https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json" }, { "category": "external", "summary": "Source - hkcert", "url": "https://www.hkcert.org/security-bulletin/google-chrome-multiple-vulnerabilities_20260402" }, { "category": "external", "summary": "Source - microsoft", "url": "https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2026-Apr" }, { "category": "external", "summary": "News - bleepingcomputer", "url": "https://www.bleepingcomputer.com/news/security/google-fixes-fourth-chrome-zero-day-exploited-in-attacks-in-2026/" }, { "category": "external", "summary": "News - securitynl", "url": "https://www.security.nl/posting/930780/Google+rolt+update+uit+voor+actief+aangevallen+beveiligingslek+in+Chrome?channel=rss" }, { "category": "external", "summary": "News - securityweek", "url": "https://www.securityweek.com/exploited-zero-day-among-21-vulnerabilities-patched-in-chrome/" }, { "category": "external", "summary": "Reference - certbundde; cveprojectv5; nvd; redhat", "url": "https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_31.html" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://issues.chromium.org/issues/491518608" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0937.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0937" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-5281" }, { "category": "external", "summary": "Reference - cisagov; redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5281" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-5281" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog" } ], "remediations": [ { "category": "vendor_fix", "details": "Release Notes", "product_ids": [ "CSAFPID-5137222" ] } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "baseScore": 9.0, "baseSeverity": "CRITICAL" }, "products": [ "CSAFPID-2059973", "CSAFPID-5137222", "CSAFPID-5970557", "CSAFPID-5972651", "CSAFPID-5972652", "CSAFPID-5982469" ] } ], "title": "CVE-2026-5281" } ] }