Input validation error in Google Chromium - CVE-2026-78943

 

Input validation error in Google Chromium - CVE-2026-78943

Published: August 26, 2026


Vulnerability identifier: #VU145545
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-2026-78943
CWE-ID: CWE-20
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 input validation in Editing when processing crafted web content. A remote attacker can trigger the flaw to cause a denial of service.

User interaction is required to trigger the issue.


Affected software

Google Chromium
Google Chrome

How to mitigate CVE-2026-78943

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