Findings

CVE-2026-8957

Privilege escalation in the Enterprise Policies component.

Published May 19, 2026 · updated Oct 14, 2026 · mozilla firefox

Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Timeline

Detection, updates, and resolution for this record.

  1. May 19, 2026 · NIST NVD

    Detected

    Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

  2. Oct 14, 2026 · NIST NVD

    Updated

    Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Affected

  • cpe mozilla/firefoxversion unspecified
  • cpe mozilla/thunderbirdversion unspecified

Sources

  • CVE.orgCVE-2026-8957

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2026-8957

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDCVE-2026-8957

    Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

    nvd.nist.gov

References

CVE-2026-8957 · ZeroDay Findings