CVE-2026-9881 — CRITICAL (9.0)

Q: How severe is CVE-2026-9881?

CVE-2026-9881 has been rated CRITICAL with a CVSS base score of 9.0/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-9881?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos.

Vulnerability Description

Use after free in Bluetooth in Google Chrome on Mac prior to 148.0.7778.216 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension. (Chromium security severity: Critical)

CVSS Score

9.0

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Chrome	< 148.0.7778.216
Apple	Macos	-

Related Weaknesses (CWE)

CWE-416

References

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_Release Notes
https://issues.chromium.org/issues/505140741Permissions Required

FAQ

What is CVE-2026-9881?

CVE-2026-9881 is a vulnerability with a CVSS score of 9.0 (CRITICAL). Use after free in Bluetooth in Google Chrome on Mac prior to 148.0.7778.216 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a craf...

How severe is CVE-2026-9881?

CVE-2026-9881 has been rated CRITICAL with a CVSS base score of 9.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-9881?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos.