CVE-2025-55076

Name: CVE-2025-55076
Creator: NVD / NIST
Published: 2025-12-03T17:15:52.493+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.2/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2025-55076 is a medium-severity vulnerability rated 6.2/10 on the CVSS scale. A local privilege escalation vulnerability exists in the InstallationHelper service included with Plugin Alliance Installation Manager v1.4.0 for macOS. The service accepts unauthenticated XPC connections and executes input via system(), which may allow a local user to execute arbitrary commands with root privileges.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

A local privilege escalation vulnerability exists in the InstallationHelper service included with Plugin Alliance Installation Manager v1.4.0 for macOS. The service accepts unauthenticated XPC connections and executes input via system(), which may allow a local user to execute arbitrary commands with root privileges.

Metrics

CVSS 3.1

6.2/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.18%

7.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Plugin-Alliance	Installation Manager	1.4.0

References

https://almightysec.com/plugin-alliance-helpertool-xpc-service-local-privilege-escalation/Exploit, Third Party Advisory

Timeline

Published: Dec 3, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-55076?

How severe is CVE-2025-55076?

CVE-2025-55076 has a CVSS score of 6.2/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2025-55076?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-55076?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST