CVE-2025-12429: High Inappropriate implementation in V8.

Published Oct 10, 2025
·
Updated

Chromium: CVE-2025-12429 Inappropriate implementation in V8

Other sources

Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)

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

Aorui Zhang

Affected Software

7 affected componentsFixes available
Microsoft Edge (Chromium-based)
Microsoft Edge<142.0.3595.53
All of the following
Google Chrome<142.0.7444.59
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Windows
Google Chrome<142.0.7444.59
142.0.7444.59

Event History

Oct 10, 2025
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
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2025-12429?

CVE-2025-12429 has been categorized as a high severity vulnerability due to its inappropriate implementation in V8.

2

How do I fix CVE-2025-12429?

To fix CVE-2025-12429, users should update Google Chrome to version 142.0.7444.59 or later, or update Microsoft Edge (Chromium-based) to the latest available version.

3

What impact does CVE-2025-12429 have on affected software?

CVE-2025-12429 could lead to potential security risks, including arbitrary code execution in affected versions of Chromium-based browsers.

4

Which products are affected by CVE-2025-12429?

CVE-2025-12429 affects Google Chrome version up to 142.0.7444.59 and Microsoft Edge (Chromium-based) versions prior to their latest update.

5

Is CVE-2025-12429 related to any specific browser updates?

Yes, CVE-2025-12429 was addressed in a Chrome update, which also affects other Chromium-based browsers like Microsoft Edge.

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