Heap Corruption Vulnerability in Google Chrome Extensions by Google
CVE-2026-4458

8.8HIGH

Key Information:

Vendor

Google
Status
Chrome
Vendor
CVE Published:
20 March 2026

What is CVE-2026-4458?

A use-after-free vulnerability in Google Chrome Extensions allows an attacker to exploit heap corruption. This occurs when a user is convinced to install a malicious extension, which can lead to unauthorized actions within the browser. Users are urged to update to the latest version to mitigate security risks.

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Affected Version(s)

Chrome 146.0.7680.153

References

https://chromereleases.googleblog.com/2026/03/stable-chan...
https://issues.chromium.org/issues/489619753

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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