CVE-2026-56171

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 51% 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 — 4 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: None knownExposed: 0

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

Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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
Severity75% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
50%
KEV
Not listed

Published

July 17, 2026

Last Modified

September 9, 2026

Advisory Details (1)

Auto-updated Jul 17, 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-2026-56171

Vendor Advisories for CVE-2026-56171(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 22× in last 7d / 134× 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 264 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-56171?
CVE-2026-56171 is a high vulnerability published on July 17, 2026. Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.
When was CVE-2026-56171 disclosed?
CVE-2026-56171 was first published in the National Vulnerability Database on July 17, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56171 actively exploited?
CVE-2026-56171 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 50.5% of all scored CVEs.
What is the CVSS score of CVE-2026-56171?
CVE-2026-56171 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-56171?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56171, 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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