CVE-2026-11056

CRITICAL9.6

Insufficient validation of untrusted input in SiteIsolation in Google Chrome on Windows prior to 149

Published Jun 4, 2026

Modified 2 months ago

Fix available

Details

Insufficient validation of untrusted input in SiteIsolation in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

Affected Packages

Google Chrome

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1703)Windows 10 (1709)Windows 10 (1803)

Fixed in:

149.0.7827.53

References

WEB

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html

WEB

https://issues.chromium.org/issues/498887785

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-11056