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CVE-2026-8959

🗓️ 19 May 2026 12:29:55Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 29 Views

Sandbox escape in the Widget Win32 component, fixed in Firefox 151 and Firefox ESR 140.11.

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19 May 2026 12:29Current
6Medium risk
Vulners AI Score6
CVSS 3.19.6
EPSS0.00449
SSVC
29