VDB

CVE-2026-74985

CVE-2026-74985 PUBLISHED CVSS 9.8 CRITICAL

Reported by mozilla · Published August 18, 2026

Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Risk Scores

CVSS 3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products

VendorProductVersions
MozillaFirefox153.1, 154
MozillaThunderbird153.1, 154
MozillaThunderbird153.1, 154, 153.1
MozillaFirefox153.1, 154, 153.1

Timeline

  • Aug 18, 2026 Coalition ESS Score
  • Aug 18, 2026 CVE Published
  • Aug 20, 2026 CVE Updated
  • Aug 24, 2026 EPSS Score
  • Aug 26, 2026 EPSS Score
  • Sep 2, 2026 EPSS Score
  • Sep 5, 2026 Security Advisory
  • Sep 6, 2026 EPSS Score
  • Sep 9, 2026 EPSS Score
  • Sep 12, 2026 EPSS Score
  • Sep 16, 2026 EPSS Score
  • Sep 18, 2026 EPSS Score

References

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