Improperly implemented security check for standard in Google Chromium - CVE-2026-76033

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Main Vulnerability Database Vulnerabilities #VU144230

Improperly implemented security check for standard in Google Chromium - CVE-2026-76033

Published: August 18, 2026


Vulnerability identifier: #VU144230
CSH Severity: Medium
CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-76033
CWE-ID: CWE-358
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to incorrect implementation in CORS in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.


Affected software

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

How to mitigate CVE-2026-76033

Install update from vendor's website.

Google Chromium - update to 151.0.7922.169
Microsoft Edge - update to 151.0.4129.101
Google Chrome - update to 151.0.7922.169
Chrome OS - update to 144.0.7559.261
chromium - addressed in versions 151.0.7922.169-1.el9, 151.0.7922.169-1.el10_2, 151.0.7922.169-1.el10_3, 151.0.7922.169-1.fc44, 151.0.7922.173-1.el9, 151.0.7922.173-1.el10_2, 151.0.7922.173-1.el10_3, 151.0.7922.173-1.fc43, 151.0.7922.173-1.fc44
chromium (Debian package) - update to 151.0.7922.169-1~deb13u1

External References

Related Security Bulletins