CVE-2026-9959

LowCVSS 3.1

Published: 28/05/2026(UTC)Updated: 21/07/2026(UTC)Translated: 22/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.14%

4th percentile - higher than 4% of all known CVEs

Summary

A race condition in WebRTC in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Risk Assessment

An attacker could exfiltrate sensitive data from other origins, posing a significant threat to user privacy and organizational data security.

Recommendation

Immediately update Google Chrome to version 148.0.7778.216 or later on all Windows systems.

Original NVD description (English source)

Race in WebRTC in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)