CVE-2021-47780

HIGH 7.8

Macro Expert 4.7 - Unquoted Service Path

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-428
Vendor	macro-expert
Product	macro expert
Published	Jan 15, 2026
Last Updated	Mar 5, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Macro-Expert / Macro Expert

4.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Mert DAŞ