CVE-2026-9891

critical · 9

Use after free in Extensions in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted Chrome Extension. (Chromium security severity: Critical)

CVSS

0.2%

EPSS (exploit prob.)

16th

EPSS percentile

2026-05-28

Published

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Weaknesses

CWE-416

Affected products

Vendor	Product	Affected versions
google	chrome	< 148.0.7778.216
microsoft	windows	all versions
google	chrome	< 148.0.7778.215
apple	macos	all versions
linux	linux_kernel	all versions

Check a specific version with /api/v1/cve/match.

References

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
https://issues.chromium.org/issues/513508128

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-9891