{"affected":[{"product":"Chrome","source":"CNA: Chrome","vendor":"Google","versions":[{"lessThan":"157.0.8103.38","status":"affected","version":"157.0.8103.38","versionType":"custom"}]}],"cveId":"CVE-2026-121248","cwes":["CWE-863"],"description":"Incorrect authorization in API in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)","epss":{"date":"2026-11-10","percentile":0.06985,"score":0.00175},"exploits":[{"kind":"exploit","source":"ADP: CISA-ADP","url":"https://issues.chromium.org/issues/517435285"}],"kev":null,"metrics":[{"score":6.5,"severity":"medium","source":"ADP: CISA-ADP","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","version":"3.1"}],"modifiedAt":1794321562941,"publishedAt":1793738562664,"references":[{"source":"CNA: Chrome","tags":[],"url":"https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html"},{"source":"CNA: Chrome","tags":[],"url":"https://issues.chromium.org/issues/517435285"},{"source":"ADP: CISA-ADP","tags":["exploit"],"url":"https://issues.chromium.org/issues/517435285"},{"source":"chrome-cve-admin@google.com","tags":[],"url":"https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html"},{"source":"chrome-cve-admin@google.com","tags":[],"url":"https://issues.chromium.org/issues/517435285"}],"remediation":[],"revision":"f3d41ce8ba2b512c32d0846bdee7f39512107fdae294ae65d50721c353c6df6a","sources":[{"modifiedAt":1794321562941,"name":"CNA: Chrome","retrievedAt":1794323355398,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121248"},{"modifiedAt":1793740655457,"name":"NVD","retrievedAt":1793751768106,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121248"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794323376118,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-121248"}],"ssvc":{"assessedAt":1794321457338,"automatable":"no","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"CVE-2026-121248","updatedAt":1794323376118}