Vulnerability in Macro-Expert Macro Expert
CVE-2021-47780
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.
EPSS: 0.002 (13.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Macro-expert Macro Expert — versions 4.7
- Macro-expert Macro_expert — versions 4.7
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, Third Party Advisory, exploit)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2021-47780?
- CVE-2021-47780 is a high-severity vulnerability in Macro-Expert Macro Expert, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-16.
- How severe is CVE-2021-47780?
- High severity. CVSS v3 base score is 7.8 out of 10.