Description
Inappropriate implementation in Mojo in Google Chrome on Android, Linux, ChromeOS prior to 140.0.7339.127 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: High)
Affected products
google: chrome; google: android; google: chrome os; linux: linux kernel
References2
- chromereleases.googleblog.com/2025/09/stable-channel-update-for… Release NotesVendor Advisory
- issues.chromium.org/issues/439305148 Issue TrackingPermissions Required
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 22 · as of 8 November 2026
- CWE
- CWE-284CWE-346
Could this be exploited in your environment?
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