CVE-2026-109778

HIGH Status: Received

CVSS Scores

CVSS v3.x Base Score
8.8
HIGH

Description

Privilege escalation in the WebExtensions component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.

Published
October 13, 2026 1:17 PM
Last Modified
October 13, 2026 3:17 PM
Source
[email protected]

Weaknesses (CWE)

CWE-269

References

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