UA-Free in Chrome WebAuthn v<149 via Malicious Extension
CVE-2026-13029 Published on June 24, 2026

Use after free in Web Authentication in Google Chrome prior to 149.0.7827.197 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security severity: High)

NVD

Vulnerability Analysis

CVE-2026-13029 can be exploited with network access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
HIGH
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2026-13029 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2026-13029

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Google Chrome
 

Affected Versions

Google Chrome: