CVE-2026-11658
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk10th percentile - higher than 10% of all known CVEs
Summary
Insufficient validation of untrusted input in Extensions in Google Chrome prior to version 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page.
Risk Assessment
An attacker could exploit this vulnerability to gain access to user data or perform unauthorized actions in the context of a trusted site.
Recommendation
It is recommended to update Google Chrome to the latest version to mitigate this vulnerability and implement additional security measures to protect against site isolation attacks.
Original NVD description (English source)
Insufficient validation of untrusted input in Extensions in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

