Improper access control in Google Chromium - CVE-2026-79201

Vulnerability identifier: #VU145558

CSH Severity: Medium

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-79201

CWE-ID: CWE-284

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to bypass security restrictions.

The vulnerability exists due to improper access control in Workers when handling worker-related content. A remote attacker can trick the victim into interacting with crafted web content to bypass security restrictions.

User interaction is required.

Google Chromium
Microsoft Edge
Google Chrome
Debian Linux
Chrome OS
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
Chrome OS - update to 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/513836495

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