Use-after-free in Google Chromium - CVE-2026-95356

Vulnerability identifier: #VU151698

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-2026-95356

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the WindowDialog 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.

Google Chromium
Google Chrome
Debian Linux
Fedora
Chrome OS
chromium
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 154.0.8037.57
Google Chrome - update to 154.0.8037.57
chromium - addressed in versions 154.0.8037.57-1.el9, 154.0.8037.57-1.el10_2, 154.0.8037.57-1.el10_3, 154.0.8037.57-1.el10_4, 154.0.8037.57-1.fc43, 154.0.8037.57-1.fc44, 154.0.8037.57-1.fc45
Chrome OS - addressed in versions 150.0.7871.256, 154.0.8037.151
chromium (Debian package) - update to 154.0.8037.57-1~deb13u1

• https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0856730748.html
• https://issues.chromium.org/issues/560439699

• Multiple vulnerabilities in Google Chrome
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