CVE-2026-74952

Summary

Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 154, Thunderbird 154, Firefox ESR 153.2, and Thunderbird 153.2.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefox153.2 <= 153.*unaffected
MozillaFirefox154 <= *unaffected
MozillaThunderbird153.2 <= 153.*unaffected
MozillaThunderbird154 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References