Privilege escalation in Apple macOS
CVE-2025-62686
A local privilege escalation vulnerability exists in the Plugin Alliance InstallationHelper service included with Plugin Alliance Installation Manager v1.4.0 on macOS. Due to the absence of a hardened runtime and a __RESTRICT segment, a local user may exploit the DYLD_INSERT_LIBRARIES environment variable to inject a dynamic library, potentially resulting in code execution with elevated privileges.
Vulnerability class: Privilege Escalation
EPSS: 0.002 (6.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Apple Macos
- Plugin-alliance Installation_manager — versions 1.4.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-62686?
- CVE-2025-62686 is a medium-severity vulnerability in Apple macOS, classified under Improper Privilege Management. CVSS score: 6.2/10. Published 2025-12-03.
- How severe is CVE-2025-62686?
- Medium severity. CVSS v3 base score is 6.2 out of 10.