CVE-2026-4556
macOS Exam4 Local Privilege Escalation via Command Injection
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
Exam4 is affected by a local privilege escalation vulnerability in the com.extegrity.LogTool privileged helper, which communicates with the application via XPC. The [ConsoleLogHelper copyConsoleIntoFileFromStartDate:] method executes a syslog command using attacker-controlled parameters without proper sanitization, enabling command injection. Successful exploitation allows a local attacker to execute arbitrary commands with root privileges through LaunchSynchronous.
| CWE | CWE-78 |
| Vendor | extegrity |
| Product | exam4 |
| Published | Sep 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Extegrity / Exam4
0 ≤ 25.12.28.0
Credits
Carlos Garrido of Pentraze Cybersecurity