Description
Use after free in Serviceworker in Google Chrome on Desktop prior to 140.0.7339.127 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)
Affected products
google: chrome; apple: macos; linux: linux kernel; microsoft: windows
References2
- chromereleases.googleblog.com/2025/09/stable-channel-update-for… Release NotesVendor Advisory
- issues.chromium.org/issues/440454442 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
- 1% percentile: 51 · as of 8 November 2026
- CWE
- CWE-416
Could this be exploited in your environment?
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