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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2026-92066

Sandbox escape in the Profile Backup component

Description

Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mozilla Firefox

  • 156 to ≤ *unaffected

Mozilla Thunderbird

  • 156 to ≤ *unaffected

References