PT-2026-27420 · Mozilla · Thunderbird+1

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CVE-2026-4722

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Published

2026-03-24

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Updated

2026-07-25

CVSS v2.0

10

High

VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149 Thunderbird versions prior to 149
Description A privilege escalation issue exists in the Inter-Process Communication (IPC) component. This allows for potential unauthorized access and control within the system.
Recommendations Update Firefox to version 149 or later. Update Thunderbird to version 149 or later.

Fix

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Weakness Enumeration

Related Identifiers

BDU:2026-12136
CVE-2026-4722
OPENSUSE-SU-2026:10458-1
OPENSUSE-SU-2026:11373-1

Affected Products

Firefox
Thunderbird