CVE-2026-21536

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-03-06. the CNA's CVSS baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 9.8Exploit: None knownExposed: 0

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

Microsoft Devices Pricing Program Remote Code Execution Vulnerability

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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
Severity98% × 45%
Exploitation2% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
74%
KEV
Not listed

Published

March 5, 2026

Last Modified

June 19, 2026

Advisory Details (1)

Auto-updated Aug 22, 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-2026-21536

Vendor Advisories for CVE-2026-21536(1)

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 5× in last 7d / 99× 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 156 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-21536?
CVE-2026-21536 is a critical vulnerability published on March 5, 2026. Microsoft Devices Pricing Program Remote Code Execution Vulnerability
When was CVE-2026-21536 disclosed?
CVE-2026-21536 was first published in the National Vulnerability Database on March 5, 2026, with the most recent update on June 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-21536 actively exploited?
CVE-2026-21536 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 26.4% of all scored CVEs.
What is the CVSS score of CVE-2026-21536?
CVE-2026-21536 has a CVSS v4.0 base score of 9.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-21536?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-21536, 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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