Improper Authorization in Google Chromium - CVE-2026-79174

Vulnerability identifier: #VU145450

CSH Severity: Medium

CVSS v4: 7.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-79174

CWE-ID: CWE-285

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrect authorization in Extensions in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and execute arbitrary code.

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

Install 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
Chrome OS - addressed in versions 150.0.7871.253, 150.0.7871.256
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/535876894

• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Debian update for chromium
• Multiple vulnerabilities in Google ChromeOS
• Multiple vulnerabilities in Google ChromeOS LTS