CVE-2021-47780

7.8 HIGH
Published: January 16, 2026 Modified: January 21, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.macro-expert.com/
Source: disclosure@vulncheck.com
Product
https://www.exploit-db.com/exploits/50431
Source: disclosure@vulncheck.com
Exploit Third Party Advisory
https://www.vulncheck.com/advisories/macro-expert-unquoted-service-path
Source: disclosure@vulncheck.com
Third Party Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
0.0%
0th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

macro-expert