Vulnerability record · CVE-2021-47780 · published 16 January 2026
CVE-2021-47780: Macro-expert macro expert unquoted search path vulnerability
Macro Expert · Macro Expert
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.
Description
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.
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:
Affected products
1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| http://www.macro-expert.com/ | Product |
| https://www.exploit-db.com/exploits/50431 | ExploitThird Party Advisory |
| https://www.vulncheck.com/advisories/macro-expert-unquoted-service-path | Third Party Advisory |
Track CVE-2021-47780 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2021-47780), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.
