cbcvebase.
CVE-2026-9903
published 2026-05-28

CVE-2026-9903: Insufficient validation of untrusted input in Site Isolation in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the…

medium5CVSS 3.1
AVNACHPRNUIRSUCLILAL
Insufficient validation of untrusted input in Site Isolation in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted MHTML page. (Chromium security severity: High)

Affected

3 ranges
VendorProductVersion rangeFixed in
googlechrome< 148.0.7778.216148.0.7778.216
googlechrome>= 148.0.7778.216 < 148.0.7778.216148.0.7778.216
googlechrome_desktop