CVE-2026-13871
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk20th percentile — higher than 20% of all known CVEs
Summary
Insufficient policy enforcement in GuestView in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page.
Risk Assessment
An attacker can bypass site isolation, potentially gaining access to data from other sites or performing unauthorized actions within the browser context.
Recommendation
Immediately update Google Chrome to version 150.0.7871.47 or later, which includes a fix for this vulnerability.
Original NVD description (English source)
Insufficient policy enforcement in GuestView in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)