CVE-2026-42982

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-14. the CNA's CVSS baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

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

Improper validation of consistency within input in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
27%
KEV
Not listed

Published

July 14, 2026

Last Modified

September 17, 2026

Advisory Details (1)

Auto-updated Jul 14, 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-2026-42982

Vendor Advisories for CVE-2026-42982(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 21× in last 7d / 112× 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 300 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-42982?
CVE-2026-42982 is a high vulnerability published on July 14, 2026. Improper validation of consistency within input in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
When was CVE-2026-42982 disclosed?
CVE-2026-42982 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on September 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-42982 actively exploited?
CVE-2026-42982 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 73.2% of all scored CVEs.
What is the CVSS score of CVE-2026-42982?
CVE-2026-42982 has a CVSS v4.0 base score of 7.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-42982?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-42982, 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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