Race condition in Google Chromium - CVE-2026-1220

Vulnerability identifier: #VU121778

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-2026-1220

CWE-ID: CWE-362

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 race condition in V8 engine in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage and execute arbitrary code on the target system.

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

Install update from vendor's website.

Google Chromium - update to 144.0.7559.96
Microsoft Edge - update to 144.0.3719.92
Google Chrome - update to 144.0.7559.96
cef - addressed in versions 144.0.11^chromium144.0.7559.96-1.fc42, 144.0.11^chromium144.0.7559.96-1.fc43
chromium - addressed in versions 144.0.7559.96-1.el9, 144.0.7559.96-1.el10_1, 144.0.7559.96-1.fc42
chromium (Debian package) - addressed in versions 144.0.7559.96-1~deb12u1, 144.0.7559.96-1~deb13u1

• https://chromereleases.googleblog.com/2026/01/stable-channel-update-for-desktop_20.html
• https://crbug.com/473851441

• Race condition in V8 engine in Google Chrome
• Debian update for chromium
• Remote code execution in Microsoft Edge
• Fedora 42 update for chromium
• Fedora 43 update for cef
• Fedora EPEL 10.1 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora 42 update for cef