CVE-2021-47780

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-428

Affected software

No affected versions have been published.

Timeline

Published
Jan 16, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2021-47780: High severity, CVSS 7.8 | Vulnix