← CVE Intelligence

CVE-2026-109778

Privilege escalation in the WebExtensions component PUBLISHED

Description (CNA)

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

Affected (CNA)

Vendor / productVersions
Mozilla / Firefoxunaffected 153.5 through 153.*; unaffected 158 through *
Mozilla / Thunderbirdunaffected 153.5 through 153.*; unaffected 158 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.