Missing Authorization in Google Chromium - CVE-2026-91732
Published: September 16, 2026
Vulnerability identifier: #VU150147
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-91732
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform unauthorized actions.
The vulnerability exists due to missing authorization in AppManifest when processing a user interaction. A remote attacker can trigger the authorization flaw to perform unauthorized actions.
Affected software
Google Chromium
Microsoft Edge
Google Chrome
Debian Linux
chromium (Debian package)
Microsoft Edge
Google Chrome
Debian Linux
chromium (Debian package)
How to mitigate CVE-2026-91732
Install security update from vendor's website.
Google Chromium - update to 153.0.8010.47
Microsoft Edge - update to 153.0.4234.46
Google Chrome - update to 153.0.8010.47
chromium (Debian package) - update to 153.0.8010.47-2~deb13u1
Microsoft Edge - update to 153.0.4234.46
Google Chrome - update to 153.0.8010.47
chromium (Debian package) - update to 153.0.8010.47-2~deb13u1