Riskcovery

CVE-2026-88089

Microsoft SQL Server Remote Code Execution Vulnerability

State
Published
Severity
6.7 Medium
Published
Oct 13, 2026
Updated
Oct 31, 2026
Reserved
Sep 9, 2026

Read the record on cve.org

Description

Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code locally.

Scores

CVSSScoreVectorSource
3.16.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Cmicrosoft

Weaknesses

  • CWE-122 Heap-based Buffer Overflow
  • CWE-20 Improper Input Validation

Affected Products

ProductVersions
Microsoft SQL Server 2017 (GDR)Microsoft
  • 14.0.0 to before 14.0.2140.2Affected
Microsoft SQL Server 2017 for x64-based Systems (CU31)Microsoft
  • 14.0.3006.16 to before 14.0.3560.2Affected
Microsoft SQL Server 2019 (GDR)Microsoft
  • 15.0.0 to before 15.0.2200.2Affected
Microsoft SQL Server 2019 for x64-based Systems (CU32)Microsoft
  • 15.0.4003.23 to before 15.0.4500.2Affected
Microsoft SQL Server 2022 (GDR)Microsoft
  • 16.0.0 to before 16.0.1210.3Affected
Microsoft SQL Server 2022 for x64-based Systems (CU27)Microsoft
  • 16.0.4003.1 to before 16.0.4305.5Affected
Microsoft SQL Server 2025 for x64-based Systems (CU9)Microsoft
  • 17.0.4006.2 to before 17.0.5015.4Affected
Microsoft SQL Server 2025 for x64-based Systems (GDR)Microsoft
  • 17.0.1050.2 to before 17.0.1145.4Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.