VULNERABILITY INTELLIGENCE
CVE-2026-78903
CVSS score3.1 LOW
EPSS probability0.29%
CISA KEVNot currently listed
Published2026-08-25
Last modified2026-08-28
Description
Incomplete cleanup in SiteIsolation in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)