CVE-2024-27674

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 v3.1 CNA

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

EPSS

0.31% chance of exploitation in the next 30 days, 22nd percentile

Published

2024-04-03

Updated

2024-10-28

Proof-of-concept exploits (1)

• Alaatk/CVE-2024-276741★ · 2026-10-15

Security advisories

• Alaatk/CVE-2024-27674/tree/main
• https://www.macro-expert.com

References

• CVE Record
• NVD entry

Related

• CVE-2024-26574
• CVE-2024-28589
• CVE-2024-34474
• CVE-2025-24813
• CVE-2026-35616