CVE-2025-13720: Medium Bad cast in Loader

Published Nov 4, 2025
·
Updated

Bad cast in Loader in Google Chrome prior to 143.0.7499.41 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

Other sources

Chromium: CVE-2025-13720 Bad cast in Loader

Microsoft

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

Affected Software

8 affected componentsFixes available
Google Chrome<143.0.7499.41
All of the following
Google Chrome<143.0.7499.40
Any of the following
Linux Linux kernel
Microsoft Windows
All of the following
Google Chrome<143.0.7499.41
Apple macOS
Microsoft Edge (Chromium-based)
Microsoft Edge<143.0.3650.66

Event History

Dec 2, 2025
CVE Published
via MITRE·07:00 PM
Data Sourced
via MITRE·07:00 PM
DescriptionWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
Dec 4, 2025
Data Sourced
via Microsoft·05:14 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·05:14 PM
DescriptionAffected Software
Jan 5, 2026
Data Sourced
12:00 AM
SeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2025-13720?

CVE-2025-13720 has a medium severity rating according to Chromium security standards.

2

How do I fix CVE-2025-13720?

To fix CVE-2025-13720, upgrade Google Chrome to version 143.0.7499.41 or later.

3

What causes CVE-2025-13720?

CVE-2025-13720 is caused by a bad cast in the Loader in Google Chrome that leads to potential heap corruption.

4

Which versions of Google Chrome are affected by CVE-2025-13720?

Google Chrome versions prior to 143.0.7499.41 are affected by CVE-2025-13720.

5

Can CVE-2025-13720 be exploited remotely?

Yes, CVE-2025-13720 can potentially be exploited remotely by an attacker through a crafted HTML page.

Contact

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