CVE-2023-53954 HIGH

CVE-2023-53954: ActFax 10.10 Unquoted Path Services Privilege Escalation Vulnerability

Vendor Actfax
Product ActFax
Weakness CWE-428
Published December 19, 2025
Last update April 7, 2026

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

ActFax 10.10 contains an unquoted service path vulnerability that allows local attackers to potentially escalate privileges by exploiting the ActiveFaxServiceNT service configuration. Attackers with write permissions to Program Files directories can inject a malicious ActSrvNT.exe executable to gain elevated system access when the service restarts.

Key dates

02Disclosure timeline

December 19, 2025 CVE published
April 7, 2026 Record updated