CVE-2025-12443: Medium Out of bounds read in WebXR
Chromium: CVE-2025-12433 Inappropriate implementation in V8
Other sources
Out of bounds read in WebXR in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: Medium)
— 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
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2025-12443?
CVE-2025-12443 has been classified as a high severity vulnerability affecting Chromium-based browsers.
How do I fix CVE-2025-12443?
To remediate CVE-2025-12443, update Google Chrome to version 142.0.7444.59 or later, or update Microsoft Edge (Chromium-based) to the latest version.
What components are affected by CVE-2025-12443?
CVE-2025-12443 affects the V8 JavaScript engine used in Google Chrome and Chromium-based browsers.
Is CVE-2025-12443 exploitability confirmed?
Yes, CVE-2025-12443 has been marked as actively exploited in the wild.
What platforms are vulnerable to CVE-2025-12443?
CVE-2025-12443 impacts users of Google Chrome and Microsoft Edge (Chromium-based) running affected versions.