CVE-2021-47780

Macro Expert 4.7 - Unquoted Service Path

CVSS 8.5 HIGHEPSS 0.2%CWE-428

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.5EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

15 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

Macro-Expert · Macro Expert

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References

https://www.exploit-db.com/exploits/50431 https://www.vulncheck.com/advisories/macro-expert-unquoted-service-path http://www.macro-expert.com/