Main Vulnerability Database Vulnerabilities #VU145539

Improper Initialization in Google Chromium - CVE-2026-78940

Published: August 26, 2026

Vulnerability identifier: #VU145539

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-78940

CWE-ID: CWE-665

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to improper initialization in Network when handling network input. A remote attacker can trigger the flaw to cause a denial of service.

User interaction is required.

Affected software

Google Chromium
Google Chrome

How to mitigate CVE-2026-78940

Install security update from vendor's website.

Google Chromium - update to 152.0.7977.64
Google Chrome - addressed in versions 151.0.7922.175, 152.0.7977.64

External References

Related Security Bulletins