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CVE-2026-16396 Privilege escalation in WebExtensions

🗓️ 21 Jul 2026 12:38:09Reported by mozillaType 
vulnrichment
 vulnrichment
🔗 github.com👁 4 Views

Privilege escalation in WebExtensions fixed in Firefox version 153 and Firefox extended support release 140.13.

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22 Jul 2026 19:19Current
5.2Medium risk
Vulners AI Score5.2
EPSS0.00241
SSVC
4