CVE-2024-27674

Name: CVE-2024-27674
Creator: NVD / NIST
Published: 2024-04-03T17:15:55.71+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2024-27674 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.31%

22.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Macro-Expert	Macro Expert	<= 4.9.4

References

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

Timeline

Published: Apr 3, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-27674?

How severe is CVE-2024-27674?

CVE-2024-27674 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2024-27674?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-27674?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST