CVE-2025-10890: channel information leakage in V8
Chromium: CVE-2025-10890 Side-channel information leakage in V8
Other sources
Side-channel information leakage in V8 in Google Chrome prior to 140.0.7339.207 allowed a remote attacker to leak cross-origin data 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
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 140.0.7339.207 - Upgrade
Upgrade
Google Chrometo a version that resolves this vulnerability.Fixed in 140.0.7339.207
Event History
Frequently Asked Questions
What is the severity of CVE-2025-10890?
CVE-2025-10890 has a high severity rating due to its potential for allowing remote attackers to leak cross-origin data.
Which versions of Google Chrome are affected by CVE-2025-10890?
CVE-2025-10890 affects Google Chrome versions prior to 140.0.7339.207.
How do I fix CVE-2025-10890?
To fix CVE-2025-10890, update Google Chrome or Microsoft Edge to version 140.0.7339.207 or later.
Is CVE-2025-10890 relevant for Apple macOS users?
No, CVE-2025-10890 does not affect Apple macOS as the vulnerability is specific to certain versions of Chrome and Edge.
What impact does CVE-2025-10890 have on user data security?
CVE-2025-10890 may compromise user data security by enabling attackers to access sensitive information stored in a user's browser from different origins.