CVE-2024-53326

HIGHNVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-05-08. NVD baseline CVSS 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.3Exploit: NoneExposed: 0

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

LINQPad before 5.52.01 Pro edition is vulnerable to Unsafe Deserialization in LINQPad.AutoRefManager::PopulateFromCache(), leading to code execution.

CVSS v3
7.3
EG Score
7.3(medium)
EG Risk
59(Track*)
EG Risk 59/100SSVC: 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
Severity73% × 45%
Exploitation65% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
39.1%
KEV
Not listed

Published

May 8, 2026

Last Modified

May 8, 2026

Advisory Details (2)

Auto-updated May 8, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

TrustedSec | Discovering a Deserialization Vulnerability in LINQPad

https://trustedsec.com/blog/discovering-a-deserialization-vulnerability-in-linqpad
generic

LINQPad - The .NET Programmer's Playground

https://www.linqpad.net/

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 45× 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 140 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

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

  • Metasploitexploit/windows/persistence/linqpad_deserialization✓ verified
    First seen Dec 3, 2024

    LINQPad Deserialization

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2024-53326?
CVE-2024-53326 is a high vulnerability published on May 8, 2026. LINQPad before 5.52.01 Pro edition is vulnerable to Unsafe Deserialization in LINQPad.AutoRefManager::PopulateFromCache(), leading to code execution.
When was CVE-2024-53326 disclosed?
CVE-2024-53326 was first published in the National Vulnerability Database on May 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-53326 actively exploited?
CVE-2024-53326 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 39.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-53326?
CVE-2024-53326 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2024-53326?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-53326, 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-2024-53326

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