Description
Insufficient validation of untrusted input in SiteIsolation in Google Chrome prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to bypass Site Isolation via a crafted HTML page. (Chromium security severity: High)
Affected products
google: chrome; apple: macos; linux: linux kernel; microsoft: windows
References2
- chromereleases.googleblog.com/2026/05/stable-channel-update-for… Release NotesVendor Advisory
- issues.chromium.org/issues/487795397 Permissions Required
Metrics
- CVSS 3.1
-
4.3
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - EPSS — exploit probability
- 0% percentile: 9 · as of 14 November 2026
- CWE
- CWE-20
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