CVE-2026-62699

MEDIUMPre-NVD 6.86.8—
EchelonGraph scoreMEDIUM confidence

Score 6.8 from GitHub Security Advisory published 2026-08-11. The CNA's CVSS baseline 6.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
6.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 6.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Null pointer dereference in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to execute code locally.

CVSS v3
6.8
EG Score
6.8MEDIUMmedium confidence
EG Risk
31
EG Risk 31/100CISA SSVC

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
Severity68% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.4%
EPSS %ILE
35th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 11, 2026

Last Modified

September 29, 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-2026-62699

Vendor Advisories for CVE-2026-62699(2)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 22× in last 7d / 113× 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 293 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-62699?
CVE-2026-62699 is a medium vulnerability published on August 11, 2026. Null pointer dereference in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to execute code locally.
When was CVE-2026-62699 disclosed?
CVE-2026-62699 was first published on August 11, 2026, with the most recent update on September 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-62699 actively exploited?
CVE-2026-62699 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (35th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-62699?
CVE-2026-62699 has a CVSS base score of 6.8 (the CNA's own assessment, by microsoft; NVD's own analysis pending).
How do I remediate CVE-2026-62699?
A fix for CVE-2026-62699 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-62699 are linked in the Vendor Advisories panel on this page.

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