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CVE-2026-16396

Description

Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.

Metadata

CVE ID: CVE-2026-16396
State: PUBLISHED
Assigner: mozilla
Reserved: 2026-07-20 21:57 UTC
Published: 2026-07-21 12:38 UTC
Last updated: 2026-07-21 12:38 UTC
Vendor / Product: Mozilla / Firefox
Sources: cve.org · NVD

Severity & Metrics

No CVSS data available.

Affected products (1)

Vendor	Product	Platform	Versions
Mozilla	Firefox	—	140.13 ≤ 140., 153 ≤

References (3)

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