CVE-2025-13720
Published: 02 December 2025
Description
Adversaries may exploit software vulnerabilities in client applications to execute code.
Security Summary
CVE-2025-13720 is a bad cast vulnerability (CWE-704) in the Loader component of Google Chrome prior to version 143.0.7499.41. This flaw allows potential heap corruption when processing a crafted HTML page, with Chromium assigning it a Medium security severity.
A remote attacker who has compromised the renderer process can exploit this vulnerability via a malicious HTML page. The CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) indicates network-accessible exploitation with low complexity and no privileges required, but user interaction is needed, such as visiting a crafted webpage, potentially leading to high impacts on confidentiality, integrity, and availability.
Mitigation is available through the Google Chrome stable channel update for desktop, as announced at https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop.html. Additional technical details are provided in the Chromium issue tracker at https://issues.chromium.org/issues/457818670. Affected systems should be updated to Chrome 143.0.7499.41 or later.
Details
- CWE(s)
Affected Products
MITRE ATT&CK Enterprise Techniques
Why these techniques?
Vulnerability enables heap corruption in Chrome renderer via crafted HTML page, directly facilitating drive-by compromise (T1189) and exploitation for client execution (T1203).