Buffer overflow in Google Chromium - CVE-2026-76036

Vulnerability identifier: #VU144229

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-2026-76036

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a boundary error in Dawn in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a buffer overflow and execute arbitrary code on the system.

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

Install update from vendor's website.

Google Chromium - update to 151.0.7922.169
Microsoft Edge - update to 151.0.4129.101
Google Chrome - update to 151.0.7922.169
chromium - addressed in versions 151.0.7922.169-1.el9, 151.0.7922.169-1.el10_2, 151.0.7922.169-1.el10_3, 151.0.7922.169-1.fc44
chromium (Debian package) - update to 151.0.7922.169-1~deb13u1

• https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0826575033.html
• https://crbug.com/540087398

• Multiple vulnerabilities in Google Chrome
• Debian update for chromium
• Fedora EPEL 9 update for chromium
• Fedora EPEL 10.2 update for chromium
• Fedora EPEL 10.3 update for chromium
• Fedora 44 update for chromium
• Multiple vulnerabilities in Microsoft Edge