CVE-2021-47780
HIGHMacro Expert 4.7 - Privilege Escalation
Title source: llmDescription
Macro Expert 4.7 contains an unquoted service path vulnerability that allows local users to potentially execute arbitrary code with elevated system privileges. Attackers can exploit the improperly configured service path to inject malicious executables that will be run with LocalSystem permissions during service startup.
Exploits (1)
Scores
CVSS v3
7.8
EPSS
0.0001
EPSS Percentile
0.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-428
Status
published
Products (1)
macro-expert/macro_expert
4.7
Published
Jan 16, 2026
Tracked Since
Feb 18, 2026