CVE-2026-65798

MEDIUMPre-NVD 6.76.7—
EchelonGraph scoreMEDIUM confidence

Score 6.7 from GitHub Security Advisory published 2026-08-11. the CNA's CVSS baseline 6.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
6.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.7Exploit: None knownExposed: 0

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

Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.

CVSS v3
6.7
EG Score
6.7(medium)
EG Risk
30(Track)
EG Risk 30/100SSVC: 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
Severity67% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
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-2026-65798

Vendor Advisories for CVE-2026-65798(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 23× in last 7d / 127× 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 240 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-65798?
CVE-2026-65798 is a medium vulnerability published on August 11, 2026. Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.
When was CVE-2026-65798 disclosed?
CVE-2026-65798 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-2026-65798 actively exploited?
CVE-2026-65798 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 81.9% of all scored CVEs.
What is the CVSS score of CVE-2026-65798?
CVE-2026-65798 has a CVSS v4.0 base score of 6.7 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-65798?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-65798, 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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