{"id":"CVE-2026-118306","title":"Memory corruption in FileSystem in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page","summary":"Memory corruption in FileSystem in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)","severity":"critical","cvss":9.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","cvssSource":"adp","cwe":["CWE-119"],"vendor":"Google","product":"Chrome","affected":["Chrome >= 156.0.8078.73 < 156.0.8078.73"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-28T17:32:27.413989Z"},"published":"2026-10-27","updated":"2026-10-28","sourceUpdated":"2026-10-28T17:37:53.096Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118306","references":[{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0562499947.html"},{"url":"https://issues.chromium.org/issues/571156746"}],"tags":["cve.org"],"epss":0.00238,"epssPercentile":0.14853,"ingestedAt":"2026-10-27T23:59:48.441Z","slug":"CVE-2026-118306","body":"## Overview\n\nMemory corruption in FileSystem in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)\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":"midnight","depthScore":53,"depthScoreParts":{"impact":52.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":230842,"id":"CVE-2026-118306","ts":1793211387814,"field":"cvss","old":null,"new":"9.6"},{"seq":230841,"id":"CVE-2026-118306","ts":1793211387814,"field":"severity","old":"none","new":"critical"}]}