CVE-2023-28302

CRITICALNVD 7.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because EPSS predicts 94% probability of exploitation within the next 30 days (top 0.2% of all CVEs). NVD baseline CVSS 7.5 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, ghsa, nvd
Elevated
9.0EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 93%
CISA-KEV: Not listedEPSS PROB: 93%CVSS: 7.5Exploit: Elevated riskExposed: 0

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

Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability

CVSS v3
7.5
EG Score
9.0(high)
EG Risk
93(Track)
EG Risk 93/100SSVC: 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
Severity90% × 45%
Exploitation94% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
93%
EPSS %ILE
100%
KEV
Not listed

Published

April 11, 2023

Last Modified

January 1, 2025

References (2)

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 3× in last 7d / 10× 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. 2026-09-06 13:45 UTCEPSS rescore
  2. 2026-09-05 15:25 UTCEPSS rescore
  3. 2026-09-02 14:09 UTCEPSS rescore
  4. 2026-08-30 19:15 UTCEPSS rescore
  5. 2026-08-28 21:38 UTCEPSS rescore
  6. 2026-08-26 14:43 UTCEPSS rescore
  7. 2026-08-24 14:14 UTCEPSS rescore
  8. 2026-08-21 23:46 UTCEPSS rescore
  9. 2026-08-18 13:46 UTCEPSS rescore
  10. 2026-08-15 01:28 UTCEPSS rescore
  11. 2026-08-05 19:15 UTCEPSS rescore
  12. 2026-08-05 19:15 UTCEPSS rescore
  13. 2026-07-30 01:28 UTCEPSS rescore
  14. 2026-07-30 01:28 UTCEPSS rescore
  15. 2026-07-23 02:20 UTCEG score recompute
  16. 2026-07-22 21:23 UTCEG score recompute▲ 1.50
  17. 2026-07-22 21:23 UTCVendor advisory
  18. 2026-07-22 21:23 UTCGHSA enrichment
  19. 2026-07-22 14:06 UTCEPSS rescore
  20. 2026-07-22 14:06 UTCEPSS rescore
  21. 2026-07-21 15:23 UTCEPSS rescore
  22. 2026-07-19 14:29 UTCEPSS rescore
  23. 2026-07-19 14:29 UTCEPSS rescore
  24. 2026-07-13 22:28 UTCEPSS rescore
  25. 2026-07-13 22:28 UTCEPSS rescore
Show 45 more
  1. 2026-07-12 05:45 UTCEPSS rescore
  2. 2026-07-11 08:25 UTCEPSS rescore
  3. 2026-07-11 08:25 UTCEPSS rescore
  4. 2026-06-22 14:24 UTCEPSS rescore
  5. 2026-06-22 14:24 UTCEPSS rescore
  6. 2026-06-16 17:51 UTCEPSS rescore
  7. 2026-06-16 17:51 UTCEPSS rescore
  8. 2026-06-15 17:47 UTCEPSS rescore
  9. 2026-06-13 22:59 UTCEPSS rescore
  10. 2026-06-13 22:59 UTCEPSS rescore
  11. 2026-06-12 23:10 UTCEPSS rescore
  12. 2026-06-11 13:59 UTCEPSS rescore
  13. 2026-06-10 22:17 UTCEPSS rescore
  14. 2026-06-10 13:21 UTCEPSS rescore
  15. 2026-06-10 13:21 UTCEPSS rescore
  16. 2026-06-07 15:23 UTCEPSS rescore
  17. 2026-06-07 15:23 UTCEPSS rescore
  18. 2026-06-06 13:46 UTCEPSS rescore
  19. 2026-06-06 13:46 UTCEPSS rescore
  20. 2026-06-05 22:46 UTCEPSS rescore
  21. 2026-06-05 22:46 UTCEPSS rescore
  22. 2026-06-05 06:09 UTCEPSS rescore
  23. 2026-06-05 06:09 UTCEPSS rescore
  24. 2026-06-02 20:12 UTCEPSS rescore
  25. 2026-06-02 20:12 UTCEPSS rescore
  26. 2026-06-02 20:12 UTCEPSS rescore
  27. 2026-06-01 13:51 UTCEPSS rescore
  28. 2026-05-31 22:29 UTCEPSS rescore
  29. 2026-05-31 22:29 UTCEPSS rescore
  30. 2026-05-31 22:29 UTCEPSS rescore
  31. 2026-05-31 00:15 UTCEPSS rescore
  32. 2026-05-31 00:15 UTCEPSS rescore
  33. 2026-05-29 13:43 UTCEPSS rescore
  34. 2026-05-28 13:43 UTCEPSS rescore
  35. 2026-05-28 13:43 UTCEPSS rescore
  36. 2026-05-27 13:39 UTCEPSS rescore
  37. 2026-05-27 13:39 UTCEPSS rescore
  38. 2026-05-26 13:43 UTCEPSS rescore
  39. 2026-05-26 13:43 UTCEPSS rescore
  40. 2026-05-26 07:18 UTCEPSS rescore
  41. 2026-05-26 07:18 UTCEPSS rescore
  42. 2026-05-26 07:17 UTCEPSS rescore
  43. 2026-05-25 03:15 UTCEG score recompute
  44. 2026-05-25 03:15 UTCVendor advisory
  45. 2026-05-25 03:15 UTCGHSA enrichment

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2023-28302?
CVE-2023-28302 is a critical vulnerability published on April 11, 2023. Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
When was CVE-2023-28302 disclosed?
CVE-2023-28302 was first published in the National Vulnerability Database on April 11, 2023, with the most recent update on January 1, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-28302 actively exploited?
CVE-2023-28302 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93% probability of exploitation in the next 30 days, which ranks it in the top 0.2% of all scored CVEs.
What is the CVSS score of CVE-2023-28302?
CVE-2023-28302 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
How do I remediate CVE-2023-28302?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-28302, 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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