CVE-2025-13992: Chrome Side-Channel Leak Bypass Isolation pre-139.0.7258.66
CVE-2025-13992 Published on December 3, 2025
Side-channel information leakage in Navigation and Loading in Google Chrome prior to 139.0.7258.66 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
Vulnerability Analysis
CVE-2025-13992 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
Improper Protection Against Physical Side Channels
The product is missing protections or implements insufficient protections against information leakage through physical channels such as power consumption, electromagnetic emissions (EME), acoustic emissions, or other physical attributes.
Products Associated with CVE-2025-13992
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Affected Versions
Google Chrome:- Version 139.0.7258.66 and below 139.0.7258.66 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.