CVE-2026-62814

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-08-11. The CNA's CVSS baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 6.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.

CVSS v3
6.5
EG Score
6.5MEDIUMmedium confidence
EG Risk
29
EG Risk 29/100CISA 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
Severity65% × 45%
Exploitation1% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.5%
EPSS %ILE
43rd
KEV
Not listed

CISA SSVCTrack at every mission impact level.

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

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (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-2026-62814

Vendor Advisories for CVE-2026-62814(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 23× in last 7d / 111× 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 298 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-62814?
CVE-2026-62814 is a medium vulnerability published on August 11, 2026. Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
When was CVE-2026-62814 disclosed?
CVE-2026-62814 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-2026-62814 actively exploited?
CVE-2026-62814 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (43rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-62814?
CVE-2026-62814 has a CVSS base score of 6.5 (the CNA's own assessment, by microsoft; NVD's own analysis pending).
How do I remediate CVE-2026-62814?
A fix for CVE-2026-62814 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-62814 are linked in the Vendor Advisories panel on this page.

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