{"id":"CVE-2026-91734","title":"Incorrect authorization in Core in Google Chrome on on Windows prior to 153.0.8010.47 allowed a local attacker to execute arbitrary code outside the sandbox via a local program","summary":"Incorrect authorization in Core in Google Chrome on on Windows prior to 153.0.8010.47 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: High)","severity":"high","cvss":7.4,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-863"],"vendor":"google","product":"chrome","affected":["chrome < 153.0.8010.47"],"patched":["chrome 153.0.8010.47"],"published":"2026-09-15","updated":"2026-09-17","sourceUpdated":"2026-09-17T16:03:41.563","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-91734","references":[{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html","label":"chrome-cve-admin@google.com"},{"url":"https://issues.chromium.org/issues/516780835","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-91734.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-91734"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-91734"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00104,"epssPercentile":0.01154,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-16T00:00:00+00:00"},"scores":{"nvd":7.4,"vendor":8.8,"adp":7.4},"ingestedAt":"2026-09-15T21:44:50.647Z","slug":"CVE-2026-91734","body":"## Overview\n\nIncorrect authorization in Core in Google Chrome on on Windows prior to 153.0.8010.47 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: High)\n\n## Affected\n\n- `chrome < 153.0.8010.47`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `chrome 153.0.8010.47`\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-09-15 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-91734.json)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":40.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":204680,"id":"CVE-2026-91734","ts":1789516021867,"field":"cvss","old":null,"new":"7.4"},{"seq":204679,"id":"CVE-2026-91734","ts":1789516021867,"field":"severity","old":"none","new":"high"}]}