CVE-2024-27674

HIGHNVD 7.87.8—

7.8

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: 7.8
EG Score: 7.8(medium)
EPSS: 38.8%
KEV: Not listed

Published

April 3, 2024

Last Modified

January 30, 2026

References (4)

cve@mitrehttps://github.com/Alaatk/CVE-2024-27674/tree/main
cve@mitrehttps://www.macro-expert.com/
af854a3a-2127-422b-91ae-364da2661108https://github.com/Alaatk/CVE-2024-27674/tree/main
af854a3a-2127-422b-91ae-364da2661108https://www.macro-expert.com/

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
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2026-06-01 13:51 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-28 13:44 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch

Frequently asked(5)

What is CVE-2024-27674?

CVE-2024-27674 is a high vulnerability published on April 3, 2024. 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.

When was CVE-2024-27674 disclosed?

CVE-2024-27674 was first published in the National Vulnerability Database on April 3, 2024, with the most recent update on January 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-27674 actively exploited?

CVE-2024-27674 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 38.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-27674?

CVE-2024-27674 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2024-27674?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-27674, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2024-27674

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-27674?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

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