CVE-2021-47780 HIGH

CVE-2021-47780: Macro Expert 4.7 - Unquoted Service Path

Vendor Macro-Expert
Product Macro Expert
Weakness CWE-428
Published January 15, 2026
Last update March 5, 2026
View on NVD All CVEs

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 15, 2026 CVE published
March 5, 2026 Record updated