{"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-2026-121257","cwes":["CWE-416"],"description":"Use after free in TabStrip in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: Medium)","epss":null,"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793738569606,"publishedAt":1793738569606,"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/567672825"}],"remediation":[],"revision":"afd776eda351466402556de52cdef74a7c00195be26a994605feea73e743d700","sources":[{"modifiedAt":1793738569606,"name":"CNA: Chrome","retrievedAt":1793740828602,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121257"}],"ssvc":null,"status":"published","title":"CVE-2026-121257","updatedAt":1793740828602}