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Vulnerability record · CVE-2024-27674 · published 3 April 2024

CVE-2024-27674: Macro-expert macro expert incorrect default permissions vulnerability

Macro Expert · Macro Expert

Macro Expert through 4.9.4 allows BUILTIN\Users:(OI)(CI)(M) access to the "%PROGRAMFILES(X86)%\GrassSoft\Macro Expert" folder and thus an unprivileged user can escalate to SYSTEM by replacing the MacroService.exe binary.

7.8 CVSS 3.1 High EPSS 0.31% · top 78.6% CWE-276 · Incorrect default permissions
7.8CVSS 3.1 base score
0.31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Macro Expert through 4.9.4 allows BUILTIN\Users:(OI)(CI)(M) access to the "%PROGRAMFILES(X86)%\GrassSoft\Macro Expert" folder and thus an unprivileged user can escalate to SYSTEM by replacing the MacroService.exe binary.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Alaatk/CVE-2024-27674/tree/main Third Party Advisory
https://www.macro-expert.com/ Product
https://github.com/Alaatk/CVE-2024-27674/tree/main Third Party Advisory
https://www.macro-expert.com/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-27674), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.