Permissions, Privileges, and Access Controls in Google Chromium - CVE-2026-8563

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Main Vulnerability Database Vulnerabilities #VU131519

Permissions, Privileges, and Access Controls in Google Chromium - CVE-2026-8563

Published: May 14, 2026


Vulnerability identifier: #VU131519
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-8563
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Chromium

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in IFrame Sandbox in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.


How to mitigate CVE-2026-8563

Install update from vendor's website.

Sources