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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.

PUBLISHED Reserved 2026-01-14 | Published 2026-01-15 | Updated 2026-01-16 | Assigner VulnCheck




HIGH: 8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

Unquoted Search Path or Element

Product status

4.7
affected

Credits

Mert DAŞ finder

References

www.exploit-db.com/exploits/50431 (ExploitDB-50431) exploit

www.macro-expert.com/ (Macro Expert Official Website) product

www.vulncheck.com/...ries/macro-expert-unquoted-service-path (VulnCheck Advisory: Macro Expert 4.7 - Unquoted Service Path) third-party-advisory

cve.org (CVE-2021-47780)

nvd.nist.gov (CVE-2021-47780)

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