Macro Expert 4.7 - Unquoted Service Path
Priority HIGH 72CWE-428Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-428.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00247 16th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Macro-Expert | Macro Expert | 4.7 | — | No fix listed | CNA |
- Macro Expert VendorMacro-Expert Affected 4.7 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:macro-expert:macro_expert:4.7:*:*:*:*:*:*:* | 4.7 | Vulnerable | Macro-Expert |
- cpe:2.3:a:macro-expert:macro_expert:4.7:*:*:*:*:*:*:* Versions 4.7 Vulnerable ·Macro-Expert
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47780
- 2026-10-03 Alias added: GHSA-mq6j-m5v8-2rmr
References
Exploit 1
More Macro-Expert Macro Expert vulnerabilities
- TI-2024-18345 Macro Expert through 4.9.4 allows BUILTIN\Users:(OI)(CI)(M) access to the… CVSS 3.1HIGH 7.8
Sources
- CVE-2021-47780 · CVE Program
- CVE-2021-47780 · NVD
- FIRST EPSS
- GHSA-mq6j-m5v8-2rmr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences