CVE-2026-48576

HIGHPre-NVD 7.97.9—
EchelonGraph scoreMEDIUM confidence

Score 7.9 from GitHub Security Advisory (severity: HIGH) published 2026-06-09. the CNA's CVSS baseline 7.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 3 sources updated this week
7.9
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.9Exploit: NoneExposed: 0

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

No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

CVSS v3
7.9
EG Score
7.9(medium)
EG Risk
—
EPSS
60.0%
KEV
Not listed

Published

June 9, 2026

Last Modified

July 15, 2026

Advisory Details (1)

Auto-updated Jun 9, 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-2026-48576

Vendor Advisories for CVE-2026-48576(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 9× in last 7d / 108× 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 179 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-48576?
CVE-2026-48576 is a high vulnerability published on June 9, 2026. No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
When was CVE-2026-48576 disclosed?
CVE-2026-48576 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-48576 actively exploited?
CVE-2026-48576 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 60.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-48576?
CVE-2026-48576 has a CVSS v4.0 base score of 7.9 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-48576?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48576, 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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