CVE-2021-47780

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 v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
http://www.macro-expert.com/	Product
https://www.exploit-db.com/exploits/50431	Exploit Third Party Advisory
https://www.vulncheck.com/advisories/macro-expert-unquoted-service-path	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:macro-expert:macro_expert:4.7:*:*:*:*:*:*:*

History

17 Jun 2026, 04:18

Type	Values Removed	Values Added
Summary		(es) Macro Expert 4.7 contiene una vulnerabilidad de ruta de servicio sin comillas que permite a usuarios locales ejecutar potencialmente código arbitrario con privilegios de sistema elevados. Los atacantes pueden explotar la ruta de servicio configurada incorrectamente para inyectar ejecutables maliciosos que se ejecutarán con permisos de LocalSystem durante el inicio del servicio.

21 Jan 2026, 22:24

Type	Values Removed	Values Added
References	~~() http://www.macro-expert.com/ -~~	() http://www.macro-expert.com/ - Product
References	~~() https://www.exploit-db.com/exploits/50431 -~~	() https://www.exploit-db.com/exploits/50431 - Exploit, Third Party Advisory
References	~~() https://www.vulncheck.com/advisories/macro-expert-unquoted-service-path -~~	() https://www.vulncheck.com/advisories/macro-expert-unquoted-service-path - Third Party Advisory
First Time		Macro-expert macro Expert Macro-expert
CPE		cpe:2.3:a:macro-expert:macro_expert:4.7:::::::*

16 Jan 2026, 00:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-16 00:16

Updated : 2026-06-17 04:18

NVD link : CVE-2021-47780

Mitre link : CVE-2021-47780

CVE.ORG link : CVE-2021-47780

JSON object : View

Products Affected

macro-expert

macro_expert

CWE

CWE-428

Unquoted Search Path or Element

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