CVE-2026-12017

Description

Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

CVSS Vector

References

• https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html
• https://issues.chromium.org/issues/516797143