HarborGuard / CVE
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HIGHCVE-2026-8970Published Modified CNA mozilla

CVE-2026-8970: Privilege escalation in the Security component

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

Metrics

CVSS v3.1
8.8
Severity
HIGH
Fixed in
140.11
Affected Products
2

Fix available

140.11151
Affected packages
  • Mozilla / Firefox
    Fixed in 140.11, 151
  • Mozilla / Thunderbird
    Fixed in 140.11, 151
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References