CVE-2026-69558

HIGHPre-NVD 8.68.6—
EchelonGraph scoreMEDIUM confidence

Score 8.6 from GitHub Security Advisory (severity: HIGH) published 2026-08-21. the CNA's CVSS baseline 8.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
8.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.6Exploit: None knownExposed: 0

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

Authorization bypass through user-controlled key in Microsoft Partner Center allows an unauthorized attacker to disclose information over a network.

CVSS v3
8.6
EG Score
8.6(medium)
EG Risk
54(Track)
EG Risk 54/100SSVC: 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
Severity86% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
44%
KEV
Not listed

Published

August 20, 2026

Last Modified

September 16, 2026

Advisory Details (1)

Auto-updated Aug 20, 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-2026-69558

Vendor Advisories for CVE-2026-69558(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.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 40× in last 7d / 187× 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 204 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-69558?
CVE-2026-69558 is a high vulnerability published on August 20, 2026. Authorization bypass through user-controlled key in Microsoft Partner Center allows an unauthorized attacker to disclose information over a network.
When was CVE-2026-69558 disclosed?
CVE-2026-69558 was first published in the National Vulnerability Database on August 20, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-69558 actively exploited?
CVE-2026-69558 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 55.7% of all scored CVEs.
What is the CVSS score of CVE-2026-69558?
CVE-2026-69558 has a CVSS v4.0 base score of 8.6 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-69558?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-69558, 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

Explore the affected products and dependency analysis for CVE-2026-69558

Explore →

Is Your Infrastructure Affected by CVE-2026-69558?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs