CVE-2026-62757

MEDIUMNVD 5.95.9—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.9 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 83% 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
5.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.9Exploit: None knownExposed: 0

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

Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to bypass a security feature over a network.

CVSS v3
5.9
EG Score
5.9(medium)
EG Risk
27(Track)
EG Risk 27/100SSVC: 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
Severity59% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
17%
KEV
Not listed

Published

August 11, 2026

Last Modified

September 16, 2026

Advisory Details (1)

Auto-updated Aug 11, 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-2026-62757

Vendor Advisories for CVE-2026-62757(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 24× in last 7d / 131× 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 253 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-62757?
CVE-2026-62757 is a medium vulnerability published on August 11, 2026. Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to bypass a security feature over a network.
When was CVE-2026-62757 disclosed?
CVE-2026-62757 was first published in the National Vulnerability Database on August 11, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-62757 actively exploited?
CVE-2026-62757 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 82.6% of all scored CVEs.
What is the CVSS score of CVE-2026-62757?
CVE-2026-62757 has a CVSS v3 base score of 5.9 (NVD).
How do I remediate CVE-2026-62757?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-62757, 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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