Input validation error in Google Chromium - CVE-2026-79203
Published: August 26, 2026
Vulnerability identifier: #VU145638
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-2026-79203
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to improper input validation in DevTools when processing user-supplied input. A remote attacker can trick the victim into interacting with crafted content to execute arbitrary code.
User interaction is required.
Affected software
Google Chromium
Google Chrome
Google Chrome
How to mitigate CVE-2026-79203
Install security update from vendor's website.
Google Chromium - update to 152.0.7977.64
Google Chrome - addressed in versions 151.0.7922.175, 152.0.7977.64
Google Chrome - addressed in versions 151.0.7922.175, 152.0.7977.64