CVE-2026-77486

Microsoft SQL Server Remote Code Execution Vulnerability

State
Published
Severity
8.8 High
Published
Sep 8, 2026
Updated
Oct 31, 2026
Reserved
Aug 20, 2026

Read the record on cve.org

Description

Integer overflow or wraparound in SQL Server allows an unauthorized attacker to execute code over a network.

Scores

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

Weaknesses

  • CWE-190 Integer Overflow or Wraparound
  • CWE-122 Heap-based Buffer Overflow

Affected Products

ProductVersions
Microsoft SQL Server 2017 (CU 31)Microsoft
  • 14.0.0 to before 14.0.3550.4Affected
Microsoft SQL Server 2017 (GDR)Microsoft
  • 14.0.0 to before 14.0.2130.4Affected
Microsoft SQL Server 2019 (CU 32)Microsoft
  • 15.0.0.0 to before 15.0.4490.9Affected
Microsoft SQL Server 2019 (GDR)Microsoft
  • 15.0.0 to before 15.0.2190.7Affected

References

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