PT-2024-21987 · Grasssoft · Macro Expert

Alaa Kachouh · Published 2024-04-03 · Updated 2026-01-30 · CVE-2024-27674

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Macro Expert versions 4.9.4 and earlier

Description The issue allows an unprivileged user to escalate to SYSTEM by replacing the MacroService.exe binary due to improper access control. The "%PROGRAMFILES(X86)%GrassSoftMacro Expert" folder has BUILTINUsers:(OI)(CI)(M) access, enabling this escalation.

Recommendations For Macro Expert versions 4.9.4 and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Incorrect Default Permissions

Weakness Enumeration

CWE-276

Related Identifiers

CVE-2024-27674

Affected Products

Macro Expert

References · 6

• 🔥 https://github.com/Alaatk/CVE-2024-27674/tree/main · Exploit
• https://osv.dev/vulnerability/CVE-2024-27674 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-27674 · Security Note
• https://t.me/cvenotify/99735 · Telegram Post
• https://macro-expert.com · Note
• https://t.me/cveNotify/150461 · Telegram Post