{"id":"CVE-2026-91739","title":"Missing authorization in Transactions Platform in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page","summary":"Missing authorization in Transactions Platform in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)","severity":"medium","cvss":4.2,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L","cwe":["CWE-862"],"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":"2026-09-17T18:48:59.650","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-91739","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/521951328","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-91739.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-91739"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-91739"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00193,"epssPercentile":0.09186,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-16T10:13:33.180633Z"},"scores":{"nvd":4.2,"vendor":3.9},"ingestedAt":"2026-09-15T21:44:50.648Z","slug":"CVE-2026-91739","body":"## Overview\n\nMissing authorization in Transactions Platform in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)\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-2026-91739.json)","depth":"sunlit","depthScore":23,"depthScoreParts":{"impact":23.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":204823,"id":"CVE-2026-91739","ts":1789556071679,"field":"cvss","old":null,"new":"4.2"},{"seq":204822,"id":"CVE-2026-91739","ts":1789556071679,"field":"severity","old":"none","new":"medium"}]}