CVE-2026-88085: medium-severity vulnerability in Microsoft SQL Server 2017 for x64-based…
Microsoft SQL Server Elevation of Privilege Vulnerability
Published · Updated
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.4epss 0.2%
exploitation probability
0.2%top 92% of all CVEs
observed exploitation
nono source reports it
Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft SQL Server 2017 for x64-based Systems (CU31)Microsoft · Microsoft SQL Server 2017 (GDR)Microsoft · Microsoft SQL Server 2019 for x64-based Systems (CU32)Microsoft · Microsoft SQL Server 2019 (GDR)Microsoft · Microsoft SQL Server 2022 for x64-based Systems (CU27)Microsoft · Microsoft SQL Server 2022 (GDR)Microsoft · Microsoft SQL Server 2025 (CU8)Microsoft · Microsoft SQL Server 2025 for x64-based Systems (CU9)Microsoft · Microsoft SQL Server 2025 for x64-based Systems (GDR)Related CVEs — Microsoft SQL Server 2017 for x64-based…
In the same product, most dangerous first.
CVE-2025-49719HIGHMicrosoft SQL Server Information Disclosure VulnerabilityEPSS 15.5%CVE-2021-1636HIGHMicrosoft SQL Elevation of Privilege VulnerabilityEPSS 6.7%CVE-2024-37966HIGHMicrosoft SQL Server Native Scoring Information Disclosure VulnerabilityEPSS 2.2%CVE-2026-21262HIGHSQL Server Elevation of Privilege VulnerabilityEPSS 2.1%CVE-2022-29143HIGHMicrosoft SQL Server Remote Code Execution VulnerabilityEPSS 2.0%CVE-2024-35271HIGHSQL Server Native Client OLE DB Provider Remote Code Execution VulnerabilityEPSS 1.9%