CVE-2025-12433: Inappropriate implementation in V8

Published Oct 7, 2025
·
Updated

Chromium: CVE-2025-12433 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 out of bounds memory access 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

Google Big Sleep

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 7, 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-2025-12433?

CVE-2025-12433 has been rated as having a moderate severity level.

2

How do I fix CVE-2025-12433?

To fix CVE-2025-12433, update Google Chrome to version 142.0.7444.59 or later, or Microsoft Edge to the latest version.

3

What products are affected by CVE-2025-12433?

CVE-2025-12433 affects Google Chrome versions prior to 142.0.7444.59 and Microsoft Edge versions prior to 142.0.3595.53.

4

Who is responsible for addressing CVE-2025-12433?

CVE-2025-12433 is addressed by both Google for Chrome and Microsoft for Chromium-based Edge.

5

Is there a known exploit for CVE-2025-12433?

At this time, specific exploit details for CVE-2025-12433 have not been publicly disclosed.

Contact

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