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

21 Jan 2026, 22:24

Type	Values Removed	Values Added
First Time		Macro-expert macro Expert Macro-expert
CPE		cpe:2.3:a:macro-expert:macro_expert:4.7:::::::*
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

16 Jan 2026, 00:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-16 00:16

Updated : 2026-01-21 22:24

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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