Input validation error in Google Chromium - CVE-2026-15778

Vulnerability identifier: #VU137720

CSH Severity: Medium

CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-15778

CWE-ID: CWE-20

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 insufficient validation of user-supplied input in Navigation 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
Fedora
Chrome OS
chromium
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 150.0.7871.124
Microsoft Edge - update to 150.0.4078.80
Google Chrome - update to 150.0.7871.124
Chrome OS - update to 144.0.7559.259
chromium - addressed in versions 150.0.7871.124-1.el9, 150.0.7871.124-1.el10_2, 150.0.7871.124-1.el10_3, 150.0.7871.124-1.fc43, 150.0.7871.124-1.fc44
chromium (Debian package) - update to 150.0.7871.124-1~deb13u1
Prisma Access Browser - update to 150.49.8.187

• https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0353146366.html
• https://crbug.com/513795122

• Multiple vulnerabilities in Google Chrome
• Debian update for chromium
• Fedora 44 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora EPEL 10.2 update for chromium
• Fedora 43 update for chromium
• Fedora EPEL 10.3 update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Multiple vulnerabilities in Google ChromeOS LTS
• Multiple vulnerabilities in Prisma Access Browser (August 2026)