{"id":"CVE-2026-12466","published":"2026-06-17T01:38:25Z","modified":"2026-06-18T03:55:44Z","title":"Heap buffer overflow in WebRTC in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to…","vendor":"Google","product":"Chrome","tier":"tail","description":{"text":"Heap buffer overflow in WebRTC in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)","provenance":"source","from":"CVE.org"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.00426,"percentile":0.36728,"provenance":"source"},"cwes":[{"id":"CWE-122","name":"Heap-based Buffer Overflow"}],"references":[{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html","tags":[]},{"url":"https://issues.chromium.org/issues/520199394","tags":[]}],"priority":{"score":13.5,"factors":[{"name":"EPSS percentile","points":7.35},{"name":"CVSS severity","points":6.16}]},"vendorSlug":"google","affectedVersions":[{"vendor":"Google","product":"Chrome","versions":[">= 149.0.7827.155, < 149.0.7827.155"]}],"euvd":{"id":"EUVD-2026-37551","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-google-chrome-cwe-122"}}