CVE-2026-8970

HighCVSS 8.8/10Last modified Jul 23, 2026

Description

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 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-269

Affected software

No affected versions have been published.

Timeline

Published
May 19, 2026
Last modified
Jul 23, 2026
NVD status
Analyzed

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CVE-2026-8970: High severity, CVSS 8.8 | Vulnix