Incorrect authorization in Google Chromium - CVE-2026-87466
Published: September 9, 2026
Vulnerability identifier: #VU148562
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-2026-87466
CWE-ID: CWE-863
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 incorrect authorization in Workers when processing crafted web content. A remote attacker can trick a victim into interacting with crafted web content to perform unauthorized actions.
Affected software
Google Chromium
Google Chrome
Google Chrome
How to mitigate CVE-2026-87466
Install security update from vendor's website.
Google Chromium - update to 153.0.8010.36
Google Chrome - update to 153.0.8010.36
Google Chrome - update to 153.0.8010.36