CVE-2026-10920
8.3
HIGH
CVSS 3.1
EPSS 0.30%
Description
Insufficient validation of untrusted input in WebShare in Google Chrome on Mac prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
How to fix CVE-2026-10920
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/chromium—no fix listed
Is CVE-2026-10920 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.3 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H |