CVE-2024-36877

HIGHNVD 8.28.2—
EchelonGraph scoreMEDIUM confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2024-08-12. NVD baseline CVSS 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.2Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards (B760, B560, B660, and B460) with firmware 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H was discovered to contain a write-what-where condition in the in the SW handler for SMI 0xE3. Motherboard's with the following chipsets are affected: Intel 300, Intel 400, Intel 500, Intel 600, Intel 700, AMD 300, AMD 400, AMD 500, AMD 600 and AMD 700.

CVSS v3
8.2
EG Score
8.2(medium)
EPSS
48.1%
KEV
Not listed

Published

August 12, 2024

Last Modified

April 15, 2026

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 44× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-11 08:26 UTCEPSS rescore
  2. 2026-07-11 08:26 UTCEPSS rescore
  3. 2026-07-09 19:09 UTCEPSS rescore
  4. 2026-07-08 15:14 UTCEPSS rescore
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  6. 2026-07-07 13:45 UTCEPSS rescore
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  10. 2026-07-05 02:29 UTCEPSS rescore
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  12. 2026-07-01 15:05 UTCEPSS rescore
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  15. 2026-06-29 14:05 UTCEPSS rescore
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  20. 2026-06-27 03:07 UTCEPSS rescore
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  22. 2026-06-25 13:49 UTCEPSS rescore
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  25. 2026-06-23 21:32 UTCEPSS rescore
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  1. 2026-06-23 21:32 UTCEPSS rescore
  2. 2026-06-22 14:25 UTCEPSS rescore
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  4. 2026-06-21 14:55 UTCEPSS rescore
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  6. 2026-06-21 01:58 UTCEPSS rescore
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  8. 2026-06-19 19:25 UTCEPSS rescore
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  10. 2026-06-18 17:52 UTCEPSS rescore
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  16. 2026-06-14 23:16 UTCEPSS rescore
  17. 2026-06-13 22:59 UTCEPSS rescore
  18. 2026-06-13 22:59 UTCEPSS rescore
  19. 2026-06-12 23:11 UTCEPSS rescore
  20. 2026-06-11 13:59 UTCEPSS rescore
  21. 2026-06-10 22:17 UTCEPSS rescore
  22. 2026-06-10 13:21 UTCEPSS rescore
  23. 2026-06-08 14:16 UTCEPSS rescore
  24. 2026-06-06 13:46 UTCEPSS rescore
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  30. 2026-06-04 13:11 UTCEPSS rescore
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  37. 2026-05-29 13:43 UTCEPSS rescore
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  41. 2026-05-27 13:40 UTCEPSS rescore
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  44. 2026-05-26 13:43 UTCEPSS rescore
  45. 2026-05-26 13:43 UTCEPSS rescore
  46. 2026-05-26 07:18 UTCEPSS rescore
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  48. 2026-05-26 07:18 UTCEPSS rescore
  49. 2026-05-21 23:55 UTCEG score recompute
  50. 2026-05-21 23:54 UTCGHSA enrichment
  51. 2026-05-21 22:42 UTCEPSS rescore
  52. 2026-05-21 22:42 UTCEPSS rescore
  53. 2026-05-20 22:37 UTCEPSS rescore
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  62. 2026-05-18 21:30 UTCEPSS rescore
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  64. 2026-05-18 21:30 UTCEPSS rescore
  65. 2026-05-18 21:30 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCjjensn/CVE-2024-36877
    First seen Aug 9, 2024

    Exploit POC for CVE-2024-36877

    Open source ↗

Frequently asked(5)

What is CVE-2024-36877?
CVE-2024-36877 is a high vulnerability published on August 12, 2024. Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards (B760, B560, B660, and B460) with firmware 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H was discovered to contain a write-what-where condition in the in the SW handler for SMI 0xE3. Motherboard's…
When was CVE-2024-36877 disclosed?
CVE-2024-36877 was first published in the National Vulnerability Database on August 12, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-36877 actively exploited?
CVE-2024-36877 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 48.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-36877?
CVE-2024-36877 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2024-36877?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-36877, 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.

Dependency Blast Radius

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