Improper access control in Google Chromium - CVE-2026-78896

 

Improper access control in Google Chromium - CVE-2026-78896

Published: August 26, 2026


Vulnerability identifier: #VU145688
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-78896
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to improper access control in StorageAccessAPI when handling web content. A remote attacker can craft malicious content to disclose sensitive information.

User interaction is required to visit or load crafted web content.


Affected software

Google Chromium
Google Chrome

How to mitigate CVE-2026-78896

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