CVE-2025-12036: High Inappropriate implementation in V8

Published Oct 31, 2025
·
Updated

Chromium: CVE-2025-12036 Inappropriate implementation in V8

Other sources

Out of bounds memory access in V8 in Google Chrome prior to 141.0.7390.122 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

8 affected componentsFixes available
Microsoft Edge (Chromium-based)
Microsoft Edge<142.0.3595.53
Google Chrome<142.0.7444.59
142.0.7444.59
All of the following
Google Chrome<142.0.7444.59
Any of the following
Linux Linux kernel
Microsoft Windows
All of the following
Google Chrome<142.0.7444.60
Apple macOS

Event History

Oct 15, 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 6, 2025
CVE Published
via MITRE·10:24 PM
Data Sourced
via MITRE·10:24 PM
DescriptionWeakness
Data Sourced
via NVD·11:15 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-2025-12036?

CVE-2025-12036 is classified as a high-severity vulnerability affecting the V8 JavaScript engine in Chromium-based browsers.

2

How do I fix CVE-2025-12036?

To remediate CVE-2025-12036, users should update their Google Chrome browser to version 142.0.7444.59 or later.

3

Which browsers are affected by CVE-2025-12036?

CVE-2025-12036 affects the Google Chrome browser and Microsoft Edge (Chromium-based) browsers.

4

Is CVE-2025-12036 being actively exploited?

As of now, there are no public indicators that CVE-2025-12036 is being actively exploited in the wild.

5

How can I check if my browser is affected by CVE-2025-12036?

Users can check their browser version and compare it to the vulnerable versions specified for Google Chrome and Microsoft Edge to determine if they are affected by CVE-2025-12036.

Contact

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