Missing Authorization in Google Chromium - CVE-2026-87631

 

Missing Authorization in Google Chromium - CVE-2026-87631

Published: September 9, 2026


Vulnerability identifier: #VU148693
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-87631
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to access restricted DOM resources.

The vulnerability exists due to missing authorization in the DOM when rendering crafted web content. A remote attacker can induce a victim to render crafted web content to access restricted DOM resources.

User interaction is required to render crafted web content.


Affected software

Google Chromium
Microsoft Edge
Google Chrome
Debian Linux
chromium (Debian package)

How to mitigate CVE-2026-87631

Install security update from vendor's website.

Google Chromium - update to 153.0.8010.36
Microsoft Edge - update to 153.0.4234.32
Google Chrome - update to 153.0.8010.36
chromium (Debian package) - update to 153.0.8010.47-2~deb13u1

External References

Related Security Bulletins