CVE-2025-12439: Inappropriate implementation in App-Bound Encryption

Published Dec 4, 2024
·
Updated

Chromium: CVE-2025-12439 Inappropriate implementation in App-Bound Encryption

Other sources

Inappropriate implementation in App-Bound Encryption in Google Chrome on Windows prior to 142.0.7444.59 allowed a local attacker to obtain potentially sensitive information from process memory via a malicious file. (Chromium security severity: Medium)

MITRE

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

Microsoft

Credit

Ari Novick

Affected Software

5 affected componentsFixes available
Google Chrome<142.0.7444.59
142.0.7444.59
Microsoft Edge (Chromium-based)
Microsoft Edge<142.0.3595.53
All of the following
Google Chrome<142.0.7444.59
Microsoft Windows

Event History

Dec 4, 2024
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Oct 31, 2025
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·07:00 AM
DescriptionAffected Software
Nov 10, 2025
CVE Published
via MITRE·08:00 PM
Data Sourced
via MITRE·08:00 PM
DescriptionWeakness
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2025-12439?

CVE-2025-12439 has been rated as a high-severity vulnerability due to its inappropriate implementation in App-Bound Encryption.

2

How do I fix CVE-2025-12439?

To fix CVE-2025-12439, users should update Google Chrome to version 142.0.7444.59 or later, or Microsoft Edge (Chromium-based) to the latest available version.

3

Which software versions are affected by CVE-2025-12439?

CVE-2025-12439 affects versions of Google Chrome up to 142.0.7444.59 and Microsoft Edge (Chromium-based) versions prior to the most recent update.

4

Who assigned CVE-2025-12439?

CVE-2025-12439 was assigned by Chrome, indicating a vulnerability in the Chromium project.

5

Is CVE-2025-12439 relevant to Microsoft Edge users?

Yes, CVE-2025-12439 is relevant to Microsoft Edge (Chromium-based) users, as it ingests Chromium and is impacted by this vulnerability.

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