Vulnerability · Published Jan 15, 2026 · Assigned by VulnCheck
CVE-2021-47780Macro Expert 4.7 - Unquoted Service Path
High 7.8
In plain English
A high-severity security flaw in Macro Expert from Macro-Expert. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 83.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Macro-Expert | Macro Expert | 4.7 |
Weakness: CWE-428 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-50431 exploit
- Macro Expert Official Website product
- VulnCheck Advisory: Macro Expert 4.7 - Unquoted Service Path third-party-advisory