Use-after-free in Google Chromium - CVE-2026-19558

 

Use-after-free in Google Chromium - CVE-2026-19558

Published: August 12, 2026


Vulnerability identifier: #VU141520
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-2026-19558
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Extensions component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Google Chromium
Google Chrome

How to mitigate CVE-2026-19558

Install update from vendor's website.

Google Chromium - update to 151.0.7922.137
Google Chrome - update to 151.0.7922.137

External References

Related Security Bulletins