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TI-2026-73654 Aliases CVE-2026-85888

Out-of-bounds read in Microsoft SQL Server discloses information

Priority LOW 35CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

Several GDR and cumulative update builds of Microsoft SQL Server 2017, 2019, 2022 and 2025 are affected, each before its fixed build named in the solution. An out-of-bounds read (CWE-125) lets an authorized attacker disclose information from SQL Server over a network. An attacker with low privileges can exploit this without user interaction.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00797 56th percentileScored 2026-11-07
Fix Fixed Microsoft SQL Server 2017 (GDR) (Microsoft): 14.0.2140.2Microsoft SQL Server 2017 for x64-based Systems (CU31) (Microsoft): 14.0.3560.2+6 more products

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft SQL Server 2017 (GDR)14.0.0 to before 14.0.2140.214.0.2140.2Patch availableCNA
MicrosoftMicrosoft SQL Server 2017 for x64-based Systems (CU31)14.0.3006.16 to before 14.0.3560.214.0.3560.2Patch availableCNA
MicrosoftMicrosoft SQL Server 2019 (GDR)15.0.0 to before 15.0.2200.215.0.2200.2Patch availableCNA
MicrosoftMicrosoft SQL Server 2019 for x64-based Systems (CU32)15.0.4003.23 to before 15.0.4500.215.0.4500.2Patch availableCNA
MicrosoftMicrosoft SQL Server 2022 (GDR)16.0.0 to before 16.0.1210.316.0.1210.3Patch availableCNA
MicrosoftMicrosoft SQL Server 2022 for x64-based Systems (CU27)16.0.4003.1 to before 16.0.4305.516.0.4305.5Patch availableCNA
MicrosoftMicrosoft SQL Server 2025 for x64-based Systems (CU9)17.0.4006.2 to before 17.0.5015.417.0.5015.4Patch availableCNA
MicrosoftMicrosoft SQL Server 2025 for x64-based Systems (GDR)17.0.1050.2 to before 17.0.1145.417.0.1145.4Patch availableCNA
  • Microsoft SQL Server 2017 (GDR) VendorMicrosoft Affected 14.0.0 to before 14.0.2140.2 Fixed in 14.0.2140.2 Patch available CNA
  • Microsoft SQL Server 2017 for x64-based Systems (CU31) VendorMicrosoft Affected 14.0.3006.16 to before 14.0.3560.2 Fixed in 14.0.3560.2 Patch available CNA
  • Microsoft SQL Server 2019 (GDR) VendorMicrosoft Affected 15.0.0 to before 15.0.2200.2 Fixed in 15.0.2200.2 Patch available CNA
  • Microsoft SQL Server 2019 for x64-based Systems (CU32) VendorMicrosoft Affected 15.0.4003.23 to before 15.0.4500.2 Fixed in 15.0.4500.2 Patch available CNA
  • Microsoft SQL Server 2022 (GDR) VendorMicrosoft Affected 16.0.0 to before 16.0.1210.3 Fixed in 16.0.1210.3 Patch available CNA
  • Microsoft SQL Server 2022 for x64-based Systems (CU27) VendorMicrosoft Affected 16.0.4003.1 to before 16.0.4305.5 Fixed in 16.0.4305.5 Patch available CNA
  • Microsoft SQL Server 2025 for x64-based Systems (CU9) VendorMicrosoft Affected 17.0.4006.2 to before 17.0.5015.4 Fixed in 17.0.5015.4 Patch available CNA
  • Microsoft SQL Server 2025 for x64-based Systems (GDR) VendorMicrosoft Affected 17.0.1050.2 to before 17.0.1145.4 Fixed in 17.0.1145.4 Patch available CNA

Remediation

Upgrade to the fixed builds: Microsoft SQL Server 2017 (GDR) 14.0.2140.2, Microsoft SQL Server 2017 for x64-based Systems (CU31) 14.0.3560.2, Microsoft SQL Server 2019 (GDR) 15.0.2200.2, Microsoft SQL Server 2019 for x64-based Systems (CU32) 15.0.4500.2, Microsoft SQL Server 2022 (GDR) 16.0.1210.3, Microsoft SQL Server 2022 for x64-based Systems (CU27) 16.0.4305.5, Microsoft SQL Server 2025 for x64-based Systems (CU9) 17.0.5015.4 and Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0.1145.4.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Microsoft SQL Server 2017 (GDR) (Microsoft) Fixed in 14.0.2140.2
  • Fix · CNA Microsoft SQL Server 2017 for x64-based Systems (CU31) (Microsoft) Fixed in 14.0.3560.2
  • Fix · CNA Microsoft SQL Server 2019 (GDR) (Microsoft) Fixed in 15.0.2200.2
  • Fix · CNA Microsoft SQL Server 2019 for x64-based Systems (CU32) (Microsoft) Fixed in 15.0.4500.2
  • Fix · CNA Microsoft SQL Server 2022 (GDR) (Microsoft) Fixed in 16.0.1210.3
  • Fix · CNA Microsoft SQL Server 2022 for x64-based Systems (CU27) (Microsoft) Fixed in 16.0.4305.5
  • Fix · CNA Microsoft SQL Server 2025 for x64-based Systems (CU9) (Microsoft) Fixed in 17.0.5015.4
  • Fix · CNA Microsoft SQL Server 2025 for x64-based Systems (GDR) (Microsoft) Fixed in 17.0.1145.4

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-85888
  2. 2026-10-25 EPSS moved to the 50th–90th percentile

References

Patch 1

  • TI-2026-42212 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-37256 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-16982 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-36863 Windows Server Update Service (WSUS) Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-33671 Microsoft SharePoint Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
See all 18045 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences