Race condition in Google Chromium - CVE-2026-17855

 

Race condition in Google Chromium - CVE-2026-17855

Published: July 30, 2026


Vulnerability identifier: #VU140310
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-17855
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to a race condition in DevTools in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page and bypass implemented security restrictions.


Affected software

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

How to mitigate CVE-2026-17855

Install update from vendor's website.

Google Chromium - update to 151.0.7922.71
Microsoft Edge - update to 151.0.4129.59
Google Chrome - update to 151.0.7922.71
chromium (Debian package) - update to 151.0.7922.71-1~deb13u1

External References

Related Security Bulletins