Vulnerability in Macro-Expert Macro Expert

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (21.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-27674: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-27674?
CVE-2024-27674 is a high-severity vulnerability in Macro-Expert Macro Expert, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2024-04-03.
How severe is CVE-2024-27674?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2024-27674 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.