Cross-Origin Data Leakage in Google Chrome's V8 Engine
CVE-2025-10890

9.1CRITICAL

Key Information:

Vendor

Google
Status
Chrome
Vendor
CVE Published:
24 September 2025

What is CVE-2025-10890?

A vulnerability in the V8 JavaScript engine of Google Chrome prior to version 140.0.7339.207 allows remote attackers to exploit side-channel information leakage. By crafting a malicious HTML page, an attacker can potentially leak sensitive cross-origin data from the browser. This vulnerability underscores the importance of securing web applications and regularly updating browsers to prevent exploitation.

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Affected Version(s)

Chrome 140.0.7339.207

References

https://chromereleases.googleblog.com/2025/09/stable-chan...
https://issues.chromium.org/issues/430336833

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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