CVE-2021-47780

HIGH EPSS 12.8%
Published Jan 16, 20265mo ago · Modified Jun 17, 20262w ago
8.5 CVSS 4.0
High
Find Similar
Published Jan 16, 2026 5mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.5
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
12.8% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-428

Affected Products 1

VendorProductVersionRange
macro-expertmacro_expert4.7any

References 3

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.