CVE-2026-91732

High CVSS 8.1

Published 2026-09-15 · last changed 2026-09-18

The fix

We hold no Microsoft remediation data for CVE-2026-91732, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Missing authorization in AppManifest in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

Sources

NVD record for CVE-2026-91732

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N