Thursday 5 November
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Vulnerability · Mozilla Firefox

CVE-2026-74985

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

CVSS score (v3.1)9.8Critical
Fixed in 153.1.0
Not on CISA KEV list

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Timeline

  1. Published by NVD
  2. Last updated by NVD

Affected products

ProductVersions
Mozilla Firefoxup to before 153.1.0
Mozilla Thunderbirdup to before 153.1.0

Sources: NVD and CISA known exploited vulnerabilities catalogue.