{"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-2026-121211","cwes":["CWE-416"],"description":"Use after free in PowerBookmarks in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: High)","epss":{"date":"2026-11-04","percentile":0.11337,"score":0.0021},"exploits":[],"kev":null,"metrics":[{"score":8.3,"severity":"high","source":"ADP: CISA-ADP","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"},{"score":8.3,"severity":"high","source":"NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1793855912667,"publishedAt":1793738556946,"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/577719868"},{"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/577719868"}],"remediation":[],"revision":"840b96d7f741769c7f05d3c1445b348a995d6e5c19538b2c27881b4963e38e38","sources":[{"modifiedAt":1793854582126,"name":"CNA: Chrome","retrievedAt":1793855375905,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121211"},{"modifiedAt":1793855912667,"name":"NVD","retrievedAt":1793859383174,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121211"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793826703711,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-121211"}],"ssvc":{"assessedAt":1793750400000,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"CVE-2026-121211","updatedAt":1793859383174}