Improperly implemented security check for standard in Google Chromium - CVE-2026-13859

Vulnerability identifier: #VU136254

CSH Severity: High

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-13859

CWE-ID: CWE-358

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in ANGLE in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Google Chromium
Microsoft Edge
Google Chrome
Prisma Access Browser
Debian Linux
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 150.0.7871.46
Microsoft Edge - update to 150.0.4078.48
Google Chrome - update to 150.0.7871.46
chromium (Debian package) - update to 150.0.7871.46-1~deb13u1
Prisma Access Browser - update to 150.49.8.187

• https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html
• https://crbug.com/484756087

• Multiple vulnerabilities in Google Chrome
• Debian update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Multiple vulnerabilities in Prisma Access Browser (August 2026)