Use-after-free in Google Chromium - CVE-2026-10888

Vulnerability identifier: #VU133496

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-2026-10888

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Cast Streaming component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

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

Install update from vendor's website.

Google Chromium - update to 149.0.7827.53
Microsoft Edge - update to 149.0.4022.52
Google Chrome - update to 149.0.7827.53
Chrome OS - update to 144.0.7559.258
chromium (Debian package) - addressed in versions 149.0.7827.53-1~deb12u1, 149.0.7827.53-1~deb13u1
chromium - addressed in versions 149.0.7827.102-1.el9, 149.0.7827.102-1.el10_2, 149.0.7827.102-1.el10_3, 149.0.7827.102-1.fc43, 149.0.7827.102-1.fc44

• https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html
• https://crbug.com/505815080

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