What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-16 · updated 2026-06-17
• Weakness: CWE-428

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.

Affected products

• Macro-Expert Macro Expert: 4.7

References

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

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