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CVE-2026-67645ImportantInformation DisclosureNetwork

Microsoft SQL Server Information Disclosure Vulnerability

MSRC advisory NVD CVE.org

Assessment

Out-of-bounds read in SQL Server allows an authorized attacker to disclose information over a network.

Severity
Important
CVSS base score
6.5
Impact
Information Disclosure
Exploitation detected
No known exploitation (MSRC assessment)
Exploitability
Exploitation Unlikely
Publicly disclosed
No (MSRC assessment)
EPSS · 30-day forecast
1.0%FIRST forecast dated 10 Nov 2026, for the following 30 days · FIRST percentile 63% · about EPSS
Customer action
Required: follow the MSRC remediation guidance
More details
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Public detection template
No Nuclei template is listed in the current collected catalog
Component
SQL Server
Weakness
CWE-125: Out-of-bounds Read
Issued by
Microsoft
Published
8 Sep 2026 · September 2026
Last revised
8 Sep 2026
CVSS 3.1 base metricsRed raises the risk · green lowers it
Attack vector
NetworkAV:N
Attack complexity
LowAC:L
Privileges required
LowPR:L
User interaction
NoneUI:N
Scope
UnchangedS:U
Confidentiality
HighC:H
Integrity
NoneI:N
Availability
NoneA:N

Updates that fix it

11 KBs
KBTypeRestartApplies toOther CVEs
KB5122768 Security UpdateRequiredMicrosoft SQL Server 2022 for x64-based Systems (CU 26)All CVEs in KB5122768
KB5122769 Security UpdateRequiredMicrosoft SQL Server 2025 for x64-based Systems (CU8)All CVEs in KB5122769
KB5122770 Security UpdateRequiredMicrosoft SQL Server 2025 for x64-based Systems (GDR)All CVEs in KB5122770
KB5122771 Security UpdateRequiredMicrosoft SQL Server 2022 for x64-based Systems (GDR)All CVEs in KB5122771
KB5122772 Security UpdateRequiredMicrosoft SQL Server 2019 for x64-based Systems (CU 32)All CVEs in KB5122772
KB5122773 Security UpdateRequiredMicrosoft SQL Server 2019 for x64-based Systems (GDR)All CVEs in KB5122773
KB5122774 Security UpdateRequiredMicrosoft SQL Server 2017 for x64-based Systems (CU 31)All CVEs in KB5122774
KB5122775 Security UpdateRequiredMicrosoft SQL Server 2017 for x64-based Systems (GDR)All CVEs in KB5122775
KB5126934 Security UpdateRequiredMicrosoft SQL Server 2022 for x64-based Systems (CU27)All CVEs in KB5126934
KB5132745 Security UpdateRequiredMicrosoft SQL Server 2019 for x64-based Systems (CU32)All CVEs in KB5132745
KB5132746 Security UpdateRequiredMicrosoft SQL Server 2017 for x64-based Systems (CU31)All CVEs in KB5132746

What changed

  1. Fixes: KB5122768: Microsoft SQL Server 2022 for x64-based Systems (CU 26) (restart required); KB5122769: Microsoft SQL Server 2025 for x64-based Systems (CU8) (restart required); KB5122770: Microsoft SQL Server 2025 for x64-based Systems (GDR) (restart required); KB5122771: Microsoft SQL Server 2022 for x64-based Systems (GDR) (restart required); KB5122772: Microsoft SQL Server 2019 for x64-based Systems (CU 32) (restart required); KB5122773: Microsoft SQL Server 2019 for x64-based Systems (GDR) (restart required); KB5122774: Microsoft SQL Server 2017 for x64-based Systems (CU 31) (restart required); KB5122775: Microsoft SQL Server 2017 for x64-based Systems (GDR) (restart required) → KB5122768: Microsoft SQL Server 2022 for x64-based Systems (CU 26) (restart required); KB5122769: Microsoft SQL Server 2025 for x64-based Systems (CU8) (restart required); KB5122770: Microsoft SQL Server 2025 for x64-based Systems (GDR) (restart required); KB5122771: Microsoft SQL Server 2022 for x64-based Systems (GDR) (restart required); KB5122772: Microsoft SQL Server 2019 for x64-based Systems (CU 32) (restart required); KB5122773: Microsoft SQL Server 2019 for x64-based Systems (GDR) (restart required); KB5122774: Microsoft SQL Server 2017 for x64-based Systems (CU 31) (restart required); KB5122775: Microsoft SQL Server 2017 for x64-based Systems (GDR) (restart required); KB5126934: Microsoft SQL Server 2022 for x64-based Systems (CU27) (restart required); KB5132745: Microsoft SQL Server 2019 for x64-based Systems (CU32) (restart required); KB5132746: Microsoft SQL Server 2017 for x64-based Systems (CU31) (restart required) · Affected products: Microsoft SQL Server 2017 for x64-based Systems (CU 31), Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (CU 32), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2022 for x64-based Systems (CU 26), Microsoft SQL Server 2022 for x64-based Systems (GDR), Microsoft SQL Server 2025 for x64-based Systems (CU8), Microsoft SQL Server 2025 for x64-based Systems (GDR) → Microsoft SQL Server 2017 for x64-based Systems (CU 31), Microsoft SQL Server 2017 for x64-based Systems (CU31), Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (CU 32), Microsoft SQL Server 2019 for x64-based Systems (CU32), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2022 for x64-based Systems (CU 26), Microsoft SQL Server 2022 for x64-based Systems (CU27), Microsoft SQL Server 2022 for x64-based Systems (GDR), Microsoft SQL Server 2025 for x64-based Systems (CU8), Microsoft SQL Server 2025 for x64-based Systems (GDR)
  2. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  3. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  4. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  5. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  6. Detection template: No Nuclei template listed · Customer action: Required: apply the update → Required: follow the MSRC remediation guidance · Public disclosure: No → No (MSRC assessment) · Exploitation detected: Not reported by MSRC → No known exploitation (MSRC assessment)
  7. Detection template: Unknown: exploit-code evidence is incomplete or retained → No Nuclei template listed · CISA KEV: Unknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
  8. Detection template: No Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained · CISA KEV: Not listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (66)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 10 Nov 2026 · 21:34:10 UTC Updates that fix itKB5122768: Microsoft SQL Server 2022 for x64-based Systems (CU 26) (restart required); KB5122769: Microsoft SQL Server 2025 for x64-based Systems (CU8) (restart required); KB5122770: Microsoft SQL Server 2025 for x64-based Systems (GDR) (restart required); KB5122771: Microsoft SQL Server 2022 for x64-based Systems (GDR) (restart required); KB5122772: Microsoft SQL Server 2019 for x64-based Systems (CU 32) (restart required); KB5122773: Microsoft SQL Server 2019 for x64-based Systems (GDR) (restart required); KB5122774: Microsoft SQL Server 2017 for x64-based Systems (CU 31) (restart required); KB5122775: Microsoft SQL Server 2017 for x64-based Systems (GDR) (restart required) → KB5122768: Microsoft SQL Server 2022 for x64-based Systems (CU 26) (restart required); KB5122769: Microsoft SQL Server 2025 for x64-based Systems (CU8) (restart required); KB5122770: Microsoft SQL Server 2025 for x64-based Systems (GDR) (restart required); KB5122771: Microsoft SQL Server 2022 for x64-based Systems (GDR) (restart required); KB5122772: Microsoft SQL Server 2019 for x64-based Systems (CU 32) (restart required); KB5122773: Microsoft SQL Server 2019 for x64-based Systems (GDR) (restart required); KB5122774: Microsoft SQL Server 2017 for x64-based Systems (CU 31) (restart required); KB5122775: Microsoft SQL Server 2017 for x64-based Systems (GDR) (restart required); KB5126934: Microsoft SQL Server 2022 for x64-based Systems (CU27) (restart required); KB5132745: Microsoft SQL Server 2019 for x64-based Systems (CU32) (restart required); KB5132746: Microsoft SQL Server 2017 for x64-based Systems (CU31) (restart required)
  2. 10 Nov 2026 · 21:34:10 UTC Affected productsMicrosoft SQL Server 2017 for x64-based Systems (CU 31), Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (CU 32), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2022 for x64-based Systems (CU 26), Microsoft SQL Server 2022 for x64-based Systems (GDR), Microsoft SQL Server 2025 for x64-based Systems (CU8), Microsoft SQL Server 2025 for x64-based Systems (GDR) → Microsoft SQL Server 2017 for x64-based Systems (CU 31), Microsoft SQL Server 2017 for x64-based Systems (CU31), Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (CU 32), Microsoft SQL Server 2019 for x64-based Systems (CU32), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2022 for x64-based Systems (CU 26), Microsoft SQL Server 2022 for x64-based Systems (CU27), Microsoft SQL Server 2022 for x64-based Systems (GDR), Microsoft SQL Server 2025 for x64-based Systems (CU8), Microsoft SQL Server 2025 for x64-based Systems (GDR)
  3. 10 Nov 2026 · 21:34:10 UTC Link: KB5132746/windows/kb/KB5132746
  4. 10 Nov 2026 · 21:34:10 UTC Link: KB5132745/windows/kb/KB5132745
  5. 10 Nov 2026 · 21:34:10 UTC Link: KB5126934/windows/kb/KB5126934
  6. 10 Nov 2026 · 18:32:11 UTC EPSS1.0%; scored 9 Nov 2026 → 1.0%; scored 10 Nov 2026
  7. 9 Nov 2026 · 22:24:37 UTC EPSS1.0%; scored 8 Nov 2026 → 1.0%; scored 9 Nov 2026
  8. 8 Nov 2026 · 15:16:05 UTC EPSS1.0%; scored 7 Nov 2026 → 1.0%; scored 8 Nov 2026
  9. 7 Nov 2026 · 16:12:44 UTC EPSS1.0%; scored 6 Nov 2026 → 1.0%; scored 7 Nov 2026
  10. 6 Nov 2026 · 19:15:37 UTC EPSS1.0%; scored 5 Nov 2026 → 1.0%; scored 6 Nov 2026
  11. 6 Nov 2026 · 17:32:22 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  12. 6 Nov 2026 · 17:32:22 UTC Source coverage: public-exploit-codeIncomplete → Current
  13. 6 Nov 2026 · 17:32:22 UTC Source coverage: first-epssIncomplete → Current
  14. 6 Nov 2026 · 17:32:22 UTC Source coverage: msrc-cvrfIncomplete → Current
  15. 6 Nov 2026 · 16:31:02 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  16. 6 Nov 2026 · 16:31:02 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  17. 6 Nov 2026 · 16:31:02 UTC Source coverage: first-epssCurrent → Incomplete
  18. 6 Nov 2026 · 16:31:02 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  19. 5 Nov 2026 · 23:42:03 UTC EPSS1.0%; scored 4 Nov 2026 → 1.0%; scored 5 Nov 2026
  20. 5 Nov 2026 · 02:36:20 UTC EPSS1.0%; scored 3 Nov 2026 → 1.0%; scored 4 Nov 2026
  21. 4 Nov 2026 · 03:04:37 UTC EPSS1.0%; scored 2 Nov 2026 → 1.0%; scored 3 Nov 2026
  22. 3 Nov 2026 · 01:53:36 UTC EPSS1.0%; scored 1 Nov 2026 → 1.0%; scored 2 Nov 2026
  23. 2 Nov 2026 · 17:30:39 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  24. 2 Nov 2026 · 17:30:39 UTC Source coverage: public-exploit-codeIncomplete → Current
  25. 2 Nov 2026 · 17:30:39 UTC Source coverage: first-epssIncomplete → Current
  26. 2 Nov 2026 · 17:30:39 UTC Source coverage: msrc-cvrfIncomplete → Current
  27. 2 Nov 2026 · 16:27:39 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  28. 2 Nov 2026 · 16:27:39 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  29. 2 Nov 2026 · 16:27:39 UTC Source coverage: first-epssCurrent → Incomplete
  30. 2 Nov 2026 · 16:27:39 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  31. 2 Nov 2026 · 00:36:51 UTC EPSS1.0%; scored 31 Oct 2026 → 1.0%; scored 1 Nov 2026
  32. 31 Oct 2026 · 18:22:15 UTC EPSS1.0%; scored 30 Oct 2026 → 1.0%; scored 31 Oct 2026
  33. 30 Oct 2026 · 18:02:45 UTC EPSS1.0%; scored 29 Oct 2026 → 1.0%; scored 30 Oct 2026
  34. 29 Oct 2026 · 20:19:26 UTC Public detection templateNo Nuclei template listed
  35. 29 Oct 2026 · 20:19:26 UTC Customer actionRequired: apply the update → Required: follow the MSRC remediation guidance
  36. 29 Oct 2026 · 20:19:26 UTC Publicly disclosedNo → No (MSRC assessment)
  37. 29 Oct 2026 · 20:19:26 UTC Exploitation detectedNot reported by MSRC → No known exploitation (MSRC assessment)
  38. 29 Oct 2026 · 18:33:30 UTC EPSS1.0%; scored 28 Oct 2026 → 1.0%; scored 29 Oct 2026
  39. 28 Oct 2026 · 20:00:33 UTC EPSS1.0%; scored 27 Oct 2026 → 1.0%; scored 28 Oct 2026
  40. 27 Oct 2026 · 15:48:13 UTC EPSS1.0%; scored 26 Oct 2026 → 1.0%; scored 27 Oct 2026
  41. 26 Oct 2026 · 23:57:09 UTC EPSS1.0%; scored 25 Oct 2026 → 1.0%; scored 26 Oct 2026
  42. 25 Oct 2026 · 17:12:51 UTC EPSS1.0%; scored 24 Oct 2026 → 1.0%; scored 25 Oct 2026
  43. 25 Oct 2026 · 01:34:18 UTC EPSS1.0%; scored 23 Oct 2026 → 1.0%; scored 24 Oct 2026
  44. 23 Oct 2026 · 15:51:28 UTC EPSS1.0%; scored 22 Oct 2026 → 1.0%; scored 23 Oct 2026
  45. 23 Oct 2026 · 09:33:49 UTC Public exploit codeUnknown: exploit-code evidence is incomplete or retained → No Nuclei template listed
  46. 23 Oct 2026 · 09:33:49 UTC CISA KEVUnknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
  47. 23 Oct 2026 · 09:33:49 UTC Source coverage: public-exploit-codeIncomplete → Current
  48. 23 Oct 2026 · 09:33:49 UTC Source coverage: first-epssIncomplete → Current
  49. 23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
  50. 23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
  51. 23 Oct 2026 · 08:31:50 UTC Public exploit codeNo Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained
  52. 23 Oct 2026 · 08:31:50 UTC CISA KEVNot listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
  53. 23 Oct 2026 · 08:31:50 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  54. 23 Oct 2026 · 08:31:50 UTC Source coverage: first-epssCurrent → Incomplete
  55. 23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete
  56. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  57. 22 Oct 2026 · 17:33:15 UTC EPSS1.0%; scored 21 Oct 2026 → 1.0%; scored 22 Oct 2026
  58. 21 Oct 2026 · 21:47:24 UTC EPSS1.0%; scored 20 Oct 2026 → 1.0%; scored 21 Oct 2026
  59. 20 Oct 2026 · 20:53:31 UTC EPSS1.0%; scored 19 Oct 2026 → 1.0%; scored 20 Oct 2026
  60. 19 Oct 2026 · 15:12:40 UTC EPSS1.0%; scored 18 Oct 2026 → 1.0%; scored 19 Oct 2026
  61. 18 Oct 2026 · 14:54:30 UTC EPSS1.0%; scored 16 Oct 2026 → 1.0%; scored 18 Oct 2026
  62. 18 Oct 2026 · 14:54:30 UTC Link: September 2026/security?release=2026-Sep#cves
  63. 16 Oct 2026 · 16:13:25 UTC EPSS1.0%; scored 15 Oct 2026 → 1.0%; scored 16 Oct 2026
  64. 15 Oct 2026 · 21:30:54 UTC EPSS1.0%; scored 14 Oct 2026 → 1.0%; scored 15 Oct 2026
  65. 15 Oct 2026 · 01:07:54 UTC EPSS1.0%; scored 13 Oct 2026 → 1.0%; scored 14 Oct 2026
  66. 14 Oct 2026 · 11:22:42 UTC Source coverage: msrc-cvrfIncomplete → Current

Explore global source statements, affected packages and advisory history for CVE-2026-67645. The catalog has a separate collection scope from Microsoft release records.

Collected exploitation and prediction evidence

Risk source coverage

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

Dated risk observations

Risk history is separate from CNA/OSV content history. Daily score drift is retained but only an upward crossing of 10% triggers the prediction change event.

Immutable source observations

4 recorded revisions

Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.

10 Nov 2026 23:21:22 UTC

Microsoft SQL Server Information Disclosure Vulnerability

cve-program · CVE-2026-67645 · Published

31 Oct 2026 18:04:47 UTC

Microsoft SQL Server Information Disclosure Vulnerability

cve-program · CVE-2026-67645 · Published

30 Oct 2026 22:45:26 UTC

Microsoft SQL Server Information Disclosure Vulnerability

cve-program · CVE-2026-67645 · Published

23 Oct 2026 15:48:27 UTC

Microsoft SQL Server Information Disclosure Vulnerability

cve-program · CVE-2026-67645 · Published

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 02:38 UTC · 275 of 275 readable · 273 fully read · documentation 467/469 current

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