CVE-2026-58594

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.8%, top 48% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 5 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

Integer overflow or wraparound in Windows RDP allows an unauthorized attacker to execute code over a network.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
52%
KEV
Not listed

Published

July 14, 2026

Last Modified

July 28, 2026

Advisory Details (1)

Auto-updated Jul 28, 2026
Patch available. Sources: microsoft.
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58594

Vendor Advisories for CVE-2026-58594(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 62× in last 7d / 91× 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. 2026-07-29 04:53 UTCVendor advisory
  2. 2026-07-29 04:53 UTCGHSA enrichment
  3. 2026-07-29 01:12 UTCVendor advisory
  4. 2026-07-29 01:12 UTCGHSA enrichment
  5. 2026-07-28 21:32 UTCVendor advisory
  6. 2026-07-28 21:32 UTCGHSA enrichment
  7. 2026-07-28 19:37 UTCVendor advisory
  8. 2026-07-28 19:37 UTCGHSA enrichment
  9. 2026-07-28 15:47 UTCEG score recompute
  10. 2026-07-28 15:47 UTCVendor advisory
  11. 2026-07-28 15:47 UTCGHSA enrichment
  12. 2026-07-28 15:37 UTCEPSS rescore
  13. 2026-07-28 15:12 UTCVendor advisory
  14. 2026-07-28 15:12 UTCGHSA enrichment
  15. 2026-07-28 11:28 UTCVendor advisory
  16. 2026-07-28 11:28 UTCGHSA enrichment
  17. 2026-07-28 07:22 UTCVendor advisory
  18. 2026-07-28 07:22 UTCGHSA enrichment
  19. 2026-07-28 03:42 UTCVendor advisory
  20. 2026-07-28 03:42 UTCGHSA enrichment
  21. 2026-07-28 00:01 UTCVendor advisory
  22. 2026-07-28 00:01 UTCGHSA enrichment
  23. 2026-07-27 22:16 UTCVendor advisory
  24. 2026-07-27 22:16 UTCGHSA enrichment
  25. 2026-07-27 19:47 UTCVendor advisory
Show 66 more
  1. 2026-07-27 19:47 UTCGHSA enrichment
  2. 2026-07-27 16:05 UTCEG score recompute
  3. 2026-07-27 16:05 UTCVendor advisory
  4. 2026-07-27 16:05 UTCGHSA enrichment
  5. 2026-07-27 14:14 UTCEPSS rescore
  6. 2026-07-27 12:24 UTCGHSA enrichment
  7. 2026-07-27 08:42 UTCVendor advisory
  8. 2026-07-27 08:42 UTCGHSA enrichment
  9. 2026-07-27 05:01 UTCVendor advisory
  10. 2026-07-27 05:01 UTCGHSA enrichment
  11. 2026-07-27 01:09 UTCVendor advisory
  12. 2026-07-27 01:09 UTCGHSA enrichment
  13. 2026-07-26 21:28 UTCVendor advisory
  14. 2026-07-26 21:28 UTCGHSA enrichment
  15. 2026-07-26 17:48 UTCVendor advisory
  16. 2026-07-26 17:48 UTCGHSA enrichment
  17. 2026-07-26 15:25 UTCEG score recompute
  18. 2026-07-26 15:25 UTCVendor advisory
  19. 2026-07-26 15:25 UTCGHSA enrichment
  20. 2026-07-26 14:54 UTCEPSS rescore
  21. 2026-07-26 14:54 UTCEPSS rescore
  22. 2026-07-26 11:44 UTCEG score recompute
  23. 2026-07-26 11:44 UTCVendor advisory
  24. 2026-07-26 11:44 UTCGHSA enrichment
  25. 2026-07-26 04:41 UTCEG score recompute
  26. 2026-07-26 04:41 UTCVendor advisory
  27. 2026-07-26 04:41 UTCGHSA enrichment
  28. 2026-07-25 14:18 UTCEPSS rescore
  29. 2026-07-25 14:18 UTCEPSS rescore
  30. 2026-07-24 14:18 UTCEPSS rescore
  31. 2026-07-24 14:18 UTCEPSS rescore
  32. 2026-07-23 14:18 UTCEPSS rescore
  33. 2026-07-23 14:18 UTCEPSS rescore
  34. 2026-07-23 03:21 UTCEG score recompute▲ 1.00
  35. 2026-07-22 16:51 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  36. 2026-07-22 14:08 UTCEPSS rescore
  37. 2026-07-22 14:08 UTCEPSS rescore
  38. 2026-07-21 15:25 UTCEPSS rescore
  39. 2026-07-21 15:25 UTCEPSS rescore
  40. 2026-07-20 17:08 UTCEPSS rescore
  41. 2026-07-19 14:31 UTCEPSS rescore
  42. 2026-07-19 14:31 UTCEPSS rescore
  43. 2026-07-19 02:43 UTCEG score recompute
  44. 2026-07-19 02:43 UTCVendor advisory
  45. 2026-07-19 02:42 UTCGHSA enrichment
  46. 2026-07-19 02:29 UTCEPSS rescore
  47. 2026-07-18 10:04 UTCEPSS rescore
  48. 2026-07-17 07:22 UTCEG score recompute
  49. 2026-07-17 07:22 UTCVendor advisory
  50. 2026-07-17 07:22 UTCGHSA enrichment
  51. 2026-07-16 22:05 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  52. 2026-07-16 21:09 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  53. 2026-07-16 20:41 UTCVendor advisory
  54. 2026-07-16 20:41 UTCGHSA enrichment
  55. 2026-07-16 17:03 UTCEPSS rescore
  56. 2026-07-16 07:56 UTCVendor advisory
  57. 2026-07-16 07:56 UTCGHSA enrichment
  58. 2026-07-15 19:11 UTCVendor advisory
  59. 2026-07-15 19:11 UTCGHSA enrichment
  60. 2026-07-15 16:57 UTCEPSS rescore
  61. 2026-07-15 16:57 UTCEPSS rescore
  62. 2026-07-15 06:26 UTCVendor advisory
  63. 2026-07-15 06:26 UTCGHSA enrichment
  64. 2026-07-14 17:40 UTCMITRE cvelistV5first tracked
  65. 2026-07-14 17:40 UTCEG score recompute
  66. 2026-07-14 17:40 UTCVendor advisory

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-58594?
CVE-2026-58594 is a critical vulnerability published on July 14, 2026. Integer overflow or wraparound in Windows RDP allows an unauthorized attacker to execute code over a network.
When was CVE-2026-58594 disclosed?
CVE-2026-58594 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on July 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-58594 actively exploited?
CVE-2026-58594 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 48.2% of all scored CVEs.
What is the CVSS score of CVE-2026-58594?
CVE-2026-58594 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-58594?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-58594, 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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