Google Issues Security Fix for Actively Exploited Chrome V8 Zero-Day Vulnerability

Google Issues Security Fix for Actively Exploited Chrome V8 Zero-Day Vulnerability

By The Hacker News
Publication Date: 2025-11-18 04:44:00

Nov 18, 2025Ravie LakshmananBrowser Security / Vulnerability

Google on Monday released security updates for its Chrome browser to address two security flaws, including one that has come under active exploitation in the wild.

The vulnerability in question is CVE-2025-13223 (CVSS score: 8.8), a type confusion vulnerability in the V8 JavaScript and WebAssembly engine that could be exploited to achieve arbitrary code execution or program crashes.

“Type Confusion in V8 in Google Chrome prior to 142.0.7444.175 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page,” according to a description of the flaw in the NIST National Vulnerability Database (NVD).

Clément Lecigne of Google’s Threat Analysis Group (TAG) has been credited with discovering and reporting the flaw on November 12, 2025. Google has not shared any details on who is behind the attacks, who may have been targeted, or the scale of such efforts.

However, the tech giant acknowledged…