Privilege Escalation in Firefox IPC Component
CVE-2026-4722 Published on March 24, 2026
Privilege escalation in the IPC component
Privilege escalation in the IPC component. This vulnerability affects Firefox < 149 and Thunderbird < 149.
Vulnerability Analysis
CVE-2026-4722 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
Products Associated with CVE-2026-4722
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Affected Versions
Mozilla Firefox:- Version unspecified and below 149 is affected.
- Version unspecified and below 149 is affected.