CVE-2026-41106

CRITICALPre-NVD 9.39.3—
EchelonGraph scoreMEDIUM confidence

Score 9.3 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-03. the CNA's CVSS baseline 9.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
9.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.3Exploit: None knownExposed: 0

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

Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate privileges over a network.

CVSS v3
9.3
EG Score
9.3(medium)
EG Risk
42(Track)
EG Risk 42/100SSVC: 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
Severity93% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
52%
KEV
Not listed

Published

July 2, 2026

Last Modified

September 9, 2026

Advisory Details (1)

Auto-updated Sep 5, 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-2026-41106

Vendor Advisories for CVE-2026-41106(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 21× in last 7d / 217× 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 655 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-41106?
CVE-2026-41106 is a critical vulnerability published on July 2, 2026. Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate privileges over a network.
When was CVE-2026-41106 disclosed?
CVE-2026-41106 was first published in the National Vulnerability Database on July 2, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-41106 actively exploited?
CVE-2026-41106 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 48.3% of all scored CVEs.
What is the CVSS score of CVE-2026-41106?
CVE-2026-41106 has a CVSS v4.0 base score of 9.3 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-41106?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-41106, 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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