{"id":"CVE-2026-118318","title":"Improper access control in V8 in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to read memory via a crafted HTML page","summary":"Improper access control in V8 in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to read memory via a crafted HTML page. (Chromium security severity: High)","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","cvssSource":"adp","cwe":["CWE-284"],"vendor":"Google","product":"Chrome","affected":["Chrome >= 156.0.8078.73 < 156.0.8078.73"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-29T14:14:01.082472Z"},"published":"2026-10-27","updated":"2026-10-29","sourceUpdated":"2026-10-29T14:14:05.516Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118318","references":[{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0562499947.html"},{"url":"https://issues.chromium.org/issues/565133743"}],"tags":["cve.org"],"epss":0.00198,"epssPercentile":0.09598,"ingestedAt":"2026-10-27T23:59:48.438Z","slug":"CVE-2026-118318","body":"## Overview\n\nImproper access control in V8 in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to read memory via a crafted HTML page. (Chromium security severity: High)\n\n## Affected\n\n- `Chrome >= 156.0.8078.73 < 156.0.8078.73`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":231853,"id":"CVE-2026-118318","ts":1793563257486,"field":"cvss","old":null,"new":"4.3"},{"seq":231852,"id":"CVE-2026-118318","ts":1793563257486,"field":"severity","old":"none","new":"medium"}]}