{"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-2026-121255","cwes":["CWE-863"],"description":"Incorrect authorization in Autofill AI in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)","epss":{"date":"2026-11-04","percentile":0.07461,"score":0.00178},"exploits":[],"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:H/I:N/A:N","version":"3.1"}],"modifiedAt":1793824876287,"publishedAt":1793738563835,"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/540020706"},{"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/540020706"}],"remediation":[],"revision":"74949fe90bbd65b100d53fb1356c83514489bab632a0fcbed88cdea54dd19471","sources":[{"modifiedAt":1793824876287,"name":"CNA: Chrome","retrievedAt":1793826701102,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121255"},{"modifiedAt":1793740656430,"name":"NVD","retrievedAt":1793751769163,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121255"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793826702726,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-121255"}],"ssvc":{"assessedAt":1793824780254,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"CVE-2026-121255","updatedAt":1793826702726}