CVE-2026-58541

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.

Access of resource using incompatible type ('type confusion') in Windows DWM 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
26%
KEV
Not listed

Published

July 14, 2026

Last Modified

August 28, 2026

Advisory Details (1)

Auto-updated Jul 15, 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-2026-58541

Vendor Advisories for CVE-2026-58541(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 33× in last 7d / 163× 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 242 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-58541?
CVE-2026-58541 is a high vulnerability published on July 14, 2026. Access of resource using incompatible type ('type confusion') in Windows DWM allows an authorized attacker to elevate privileges locally.
When was CVE-2026-58541 disclosed?
CVE-2026-58541 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-58541 actively exploited?
CVE-2026-58541 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 74.1% of all scored CVEs.
What is the CVSS score of CVE-2026-58541?
CVE-2026-58541 has a CVSS v4.0 base score of 7.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-58541?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-58541, 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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