{"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-2026-121088","cwes":["CWE-862"],"description":"Missing authorization in PerformanceAPIs 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":1793824876000,"publishedAt":1793738566289,"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/562158081"},{"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/562158081"}],"remediation":[],"revision":"3d66fe5159637c05cca1c289b5fbd88d8b337158abf89399e57f2dc57a3be008","sources":[{"modifiedAt":1793824876000,"name":"CNA: Chrome","retrievedAt":1793826664805,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121088"},{"modifiedAt":1793740634507,"name":"NVD","retrievedAt":1793751730049,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121088"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793826674872,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-121088"}],"ssvc":{"assessedAt":1793824750456,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"CVE-2026-121088","updatedAt":1793826674872}