CVE-2026-58636

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 link resolution before file access ('link following') in Window PC Manager 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
31%
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-2026-58636

Vendor Advisories for CVE-2026-58636(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 12× in last 7d / 96× 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 294 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-58636?
CVE-2026-58636 is a high vulnerability published on July 14, 2026. Improper link resolution before file access ('link following') in Window PC Manager allows an authorized attacker to elevate privileges locally.
When was CVE-2026-58636 disclosed?
CVE-2026-58636 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-2026-58636 actively exploited?
CVE-2026-58636 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 69.1% of all scored CVEs.
What is the CVSS score of CVE-2026-58636?
CVE-2026-58636 has a CVSS v4.0 base score of 7.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-58636?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-58636, 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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