CVE-2026-7909

EUVD-2026-27921 · Published May 6, 2026

Inappropriate implementation in ServiceWorker in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

Technologies

Linux Linux KernelMicrosoft WindowsGoogle ChromeApple Macos

Weaknesses

CWE-693

CVSS scores

v3.13.1CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

MITRE ATT&CK

Inferred

Where this vulnerability fits in an attack

ReconImpact

Initial Access Execution Privilege Escalation Stealth Credential Access Discovery Impact

T1190Exploit Public-Facing Application T1040Network Sniffing T1083File and Directory Discovery T1565.002Transmitted Data Manipulation T1574.005Executable Installer File Permissions Weakness T1574.010Services File Permissions Weakness T1611Escape to Host

References

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/497437113

Potentially impacted assets

See if this affects your attack surface