CVE-2024-27674 | BDVDB-2026-229936 Detail

macroexpertmacroexpert

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-276 Incorrect Default Permissions

References#

Exploit#

No public exploit known

History#

Version 12024-04-03Record published in the CVE List.
Version 22024-10-28Most recent update recorded in the CVE List.

Published

Published: 2024-04-03
Last modified: 2024-10-28

Vendor information

Vendor: macroexpert
Product: macroexpert

All macroexpert vulnerabilities

Score

7.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 24.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Incorrect Permissions

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 4.9.4
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.8 High

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).