Policy Bypass in Google Chrome Extensions
CVE-2025-12436

5.9MEDIUM

Key Information:

Vendor

Google
Status
Chrome
Vendor
CVE Published:
10 November 2025

What is CVE-2025-12436?

A policy bypass vulnerability in Google Chrome allows attackers to exploit malicious extensions to gain access to sensitive information stored in process memory. Users who inadvertently install these harmful extensions may expose their data without realizing it. This issue emphasizes the importance of scrutinizing extension permissions and maintaining updated software to mitigate such risks.

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Affected Version(s)

Chrome 142.0.7444.59

References

https://chromereleases.googleblog.com/2025/10/stable-chan...
https://issues.chromium.org/issues/40054742

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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