CVE Catalog
CVE-2026-12457
MediumCVSS 4.2Exploitation Probability (EPSS)
Low risk0.23%
14th percentile — higher than 14% of all known CVEs
Summary
Inappropriate implementation in Extensions in Google Chrome prior to version 149.0.7827.155 allowed a remote attacker who compromised the renderer process to bypass site isolation via a crafted HTML page.
Risk Assessment
An attacker could gain access to data from other sites, posing a serious threat to user and organizational security.
Recommendation
It is recommended to update Google Chrome to the latest version to mitigate the risk associated with this vulnerability.
Original NVD description (English source)
Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)