CVE-2024-7344

HIGHNVD 8.28.2—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.2 under NVD CVSS v3. EPSS exploit probability: 1.0%, top 40% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Elevated
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.2Exploit: Elevated riskExposed: 0

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

Howyar UEFI Application "Reloader" (32-bit and 64-bit) is vulnerable to execution of unsigned software in a hardcoded path.

CVSS v3
8.2
EG Score
8.2(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity82% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
62%
KEV
Not listed

Published

January 14, 2025

Last Modified

January 22, 2025

Advisory Details (6)

Auto-updated Sep 9, 2026
🔬 Proof of concept available. No patch confirmed yet. Sources: cert.
generic🟡 PoC Available

Under the cloak of UEFI Secure Boot: Introducing CVE-2024-7344

https://www.welivesecurity.com/en/eset-research/under-cloak-uefi-secure-boot-introducing-cve-2024-7344/
cert

VU#529659 - Howyar Reloader UEFI bootloader vulnerable to unsigned software execution

https://www.kb.cert.org/vuls/id/529659
generic

Preparing for UEFI bootkits. ESET discovery shows the importance of cyber intelligence

https://www.eset.com/blog/enterprise/preparing-for-uefi-bootkits-eset-discovery-shows-the-importance-of-cyber-intelligence/
generic

32. Secure Boot and Driver Signing — UEFI Specification 2.10 documentation

https://uefi.org/specs/UEFI/2.10/32_Secure_Boot_and_Driver_Signing.html
generic

3. Boot Manager — UEFI Specification 2.10 documentation

https://uefi.org/specs/UEFI/2.10/03_Boot_Manager.html
generic

UEFI Revocation List File | Unified Extensible Firmware Interface Forum

https://uefi.org/revocationlistfile

Weakness Classification(1)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 8× in last 7d / 29× 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.

Showing the most recent 100 of 149 total refreshes for this CVE.

  1. 2026-09-19 15:41 UTCEPSS rescore
  2. 2026-09-18 19:27 UTCEPSS rescore
  3. 2026-09-18 19:26 UTCEPSS rescore
  4. 2026-09-16 14:06 UTCEPSS rescore
  5. 2026-09-16 14:06 UTCEPSS rescore
  6. 2026-09-16 05:13 UTCEPSS rescore
  7. 2026-09-15 03:08 UTCEPSS rescore
  8. 2026-09-13 16:45 UTCEPSS rescore
  9. 2026-09-12 14:59 UTCEPSS rescore
  10. 2026-09-11 14:51 UTCEPSS rescore
  11. 2026-09-11 09:35 UTCEPSS rescore
  12. 2026-09-10 09:33 UTCEPSS rescore
  13. 2026-09-07 16:00 UTCEPSS rescore
  14. 2026-09-06 13:46 UTCEPSS rescore
  15. 2026-09-04 13:59 UTCEPSS rescore
  16. 2026-09-04 05:05 UTCEPSS rescore
  17. 2026-09-02 14:10 UTCEPSS rescore
  18. 2026-09-01 13:52 UTCEPSS rescore
  19. 2026-08-30 19:16 UTCEPSS rescore
  20. 2026-08-30 19:16 UTCEPSS rescore
  21. 2026-08-30 01:21 UTCEPSS rescore
  22. 2026-08-28 21:39 UTCEPSS rescore
  23. 2026-08-27 14:24 UTCEPSS rescore
  24. 2026-08-26 14:44 UTCEPSS rescore
  25. 2026-08-25 13:47 UTCEPSS rescore
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  1. 2026-08-24 14:15 UTCEPSS rescore
  2. 2026-08-23 00:18 UTCEPSS rescore
  3. 2026-08-21 23:47 UTCEPSS rescore
  4. 2026-08-20 22:54 UTCEPSS rescore
  5. 2026-08-19 17:02 UTCEPSS rescore
  6. 2026-08-18 13:47 UTCEPSS rescore
  7. 2026-08-17 13:46 UTCEPSS rescore
  8. 2026-08-16 14:55 UTCEPSS rescore
  9. 2026-08-16 02:13 UTCEPSS rescore
  10. 2026-08-15 01:29 UTCEPSS rescore
  11. 2026-08-13 21:59 UTCEPSS rescore
  12. 2026-08-12 13:49 UTCEPSS rescore
  13. 2026-08-10 23:58 UTCEPSS rescore
  14. 2026-08-09 13:45 UTCEPSS rescore
  15. 2026-08-08 16:35 UTCEPSS rescore
  16. 2026-08-07 16:26 UTCEPSS rescore
  17. 2026-08-06 13:45 UTCEPSS rescore
  18. 2026-08-05 19:16 UTCEPSS rescore
  19. 2026-08-05 19:16 UTCEPSS rescore
  20. 2026-08-04 15:08 UTCEPSS rescore
  21. 2026-08-04 10:37 UTCEPSS rescore
  22. 2026-08-03 10:35 UTCEPSS rescore
  23. 2026-08-02 02:25 UTCEPSS rescore
  24. 2026-08-01 04:14 UTCEPSS rescore
  25. 2026-07-30 16:26 UTCEPSS rescore
  26. 2026-07-30 01:29 UTCEPSS rescore
  27. 2026-07-28 15:35 UTCEPSS rescore
  28. 2026-07-27 14:12 UTCEPSS rescore
  29. 2026-07-26 14:53 UTCEPSS rescore
  30. 2026-07-25 14:17 UTCEPSS rescore
  31. 2026-07-25 14:17 UTCEPSS rescore
  32. 2026-07-23 14:17 UTCEPSS rescore
  33. 2026-07-23 02:46 UTCEG score recompute▲ 1.70
  34. 2026-07-22 14:07 UTCEPSS rescore
  35. 2026-07-22 14:07 UTCEPSS rescore
  36. 2026-07-21 15:24 UTCEPSS rescore
  37. 2026-07-20 17:07 UTCEPSS rescore
  38. 2026-07-19 14:30 UTCEPSS rescore
  39. 2026-07-19 02:28 UTCEPSS rescore
  40. 2026-07-19 02:28 UTCEPSS rescore
  41. 2026-07-18 10:03 UTCEPSS rescore
  42. 2026-07-18 10:03 UTCEPSS rescore
  43. 2026-07-16 17:02 UTCEPSS rescore
  44. 2026-07-16 17:02 UTCEPSS rescore
  45. 2026-07-15 16:57 UTCEPSS rescore
  46. 2026-07-15 16:57 UTCEPSS rescore
  47. 2026-07-15 01:59 UTCEPSS rescore
  48. 2026-07-15 01:59 UTCEPSS rescore
  49. 2026-07-13 22:29 UTCEPSS rescore
  50. 2026-07-13 22:29 UTCEPSS rescore
  51. 2026-07-13 06:12 UTCEPSS rescore
  52. 2026-07-12 05:45 UTCEPSS rescore
  53. 2026-07-12 05:45 UTCEPSS rescore
  54. 2026-07-11 08:26 UTCEPSS rescore
  55. 2026-07-09 19:09 UTCEPSS rescore
  56. 2026-07-09 19:09 UTCEPSS rescore
  57. 2026-07-08 15:14 UTCEPSS rescore
  58. 2026-07-07 13:45 UTCEPSS rescore
  59. 2026-07-06 16:26 UTCEPSS rescore
  60. 2026-07-06 16:26 UTCEPSS rescore
  61. 2026-07-06 02:22 UTCEPSS rescore
  62. 2026-07-05 02:30 UTCEPSS rescore
  63. 2026-07-04 06:30 UTCEPSS rescore
  64. 2026-07-04 06:30 UTCEPSS rescore
  65. 2026-07-02 17:00 UTCEPSS rescore
  66. 2026-07-01 15:06 UTCEPSS rescore
  67. 2026-06-30 23:21 UTCEPSS rescore
  68. 2026-06-28 14:07 UTCEPSS rescore
  69. 2026-06-28 14:07 UTCEPSS rescore
  70. 2026-06-28 04:55 UTCEPSS rescore
  71. 2026-06-28 04:55 UTCEPSS rescore
  72. 2026-06-27 03:08 UTCEPSS rescore
  73. 2026-06-25 13:49 UTCEPSS rescore
  74. 2026-06-25 13:49 UTCEPSS rescore
  75. 2026-06-24 14:04 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCTheMalwareGuardian/CVE-2026-79298
    First seen Sep 11, 2026

    CVE-2026-79298 - Incomplete remediation of UEFI Secure Boot bypass in Howyar SysReturn. The IA-32 boot path (BOOTia32.efi) was never patched after CVE-2024-7344, shipping the same revoked custom PE loader until July 2026.

    Open source ↗
  • GitHub PoCTheMalwareGuardian/UEFI-Security-Research-Howyar-SysReturn-NetCopy
    First seen Jun 15, 2026

    Post CVE-2024-7344 analysis of Howyar SysReturn NetCopy - reverse engineering notes, vulnerable binaries, vendor correspondence, and proof-of-concept tooling for CVE-2026-79298 (IA-32 Secure Boot bypass via the RxPE custom PE loader in BOOTia32.efi).

    Open source ↗

Frequently asked(5)

What is CVE-2024-7344?
CVE-2024-7344 is a high vulnerability published on January 14, 2025. Howyar UEFI Application "Reloader" (32-bit and 64-bit) is vulnerable to execution of unsigned software in a hardcoded path.
When was CVE-2024-7344 disclosed?
CVE-2024-7344 was first published in the National Vulnerability Database on January 14, 2025, with the most recent update on January 22, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-7344 actively exploited?
CVE-2024-7344 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 37.6% of all scored CVEs.
What is the CVSS score of CVE-2024-7344?
CVE-2024-7344 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2024-7344?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-7344, 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

Explore the affected products and dependency analysis for CVE-2024-7344

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