Race condition in Google Chromium - CVE-2026-78894

Vulnerability identifier: #VU145532

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-2026-78894

CWE-ID: CWE-362

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to a race condition in Payments when processing user-supplied content. A remote attacker can trigger a race condition to execute arbitrary code.

User interaction is required to reach the vulnerable browser functionality.

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

Install security update from vendor's website.

Google Chromium - update to 152.0.7977.64
Microsoft Edge - update to 152.0.4191.53
Google Chrome - addressed in versions 151.0.7922.175, 152.0.7977.64
chromium - addressed in versions 152.0.7977.75-1.el9, 152.0.7977.75-1.el10_2, 152.0.7977.75-1.el10_3, 152.0.7977.75-1.el10_4, 152.0.7977.75-1.fc43, 152.0.7977.75-1.fc44, 152.0.7977.75-1.fc45
chromium (Debian package) - update to 152.0.7977.75-1~deb13u1

• https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html
• https://crbug.com/505991181

• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Debian update for chromium
• Fedora 45 update for chromium
• Fedora EPEL 10.4 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora 43 update for chromium
• Fedora 44 update for chromium
• Fedora EPEL 10.2 update for chromium
• Fedora EPEL 10.3 update for chromium