Out-of-bounds write in Google Chromium - CVE-2026-4440

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Main Vulnerability Database Vulnerabilities #VU124231

Out-of-bounds write in Google Chromium - CVE-2026-4440

Published: March 23, 2026


Vulnerability identifier: #VU124231
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-2026-4440
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error in WebGL. A remote attacker can trick the victim into visiting a specially crafted website, trigger an out-of-bounds write and execute arbitrary code on the target system.


Affected software

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

How to mitigate CVE-2026-4440

Install update from vendor's repository.

Google Chromium - update to 146.0.7680.153
Microsoft Edge - update to 146.0.3856.72
Google Chrome - update to 146.0.7680.153
Chrome OS - update to 144.0.7559.248
cef - addressed in versions 146.0.9^chromium146.0.7680.164-1.fc42, 146.0.9^chromium146.0.7680.164-1.fc43, 146.0.9^chromium146.0.7680.164-1.fc44
chromium - addressed in versions 146.0.7680.153-1.el9, 146.0.7680.153-1.el10_1, 146.0.7680.153-1.el10_2, 146.0.7680.153-1.el10_3, 146.0.7680.153-1.fc42, 146.0.7680.153-1.fc43, 146.0.7680.153-1.fc44, 146.0.7680.164-1.el9, 146.0.7680.164-1.el10_1, 146.0.7680.164-1.fc42
chromium (Debian package) - addressed in versions 146.0.7680.153-1~deb12u1, 146.0.7680.153-1~deb13u1

External References

Related Security Bulletins