PT-2026-27420 · Mozilla · Firefox

Nika Layzell · Published 2026-03-24 · Updated 2026-03-24 · CVE-2026-4722

Mitre

Privilege escalation in the IPC component. This vulnerability affects Firefox < 149.

Related Identifiers

CVE-2026-4722

Affected Products

Firefox

References · 3

• https://mozilla.org/security/advisories/mfsa2026-20 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-4722 · Security Note
• https://bugzilla.mozilla.org/show_bug.cgi?id=2010097 · Note