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CVE-2026-109739

Privilege escalation in the WebExtensions component PUBLISHED

Description (CNA)

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

Affected (CNA)

Vendor / productVersions
Mozilla / Firefoxunaffected 158 through *
Mozilla / Thunderbirdunaffected 158 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.