Vulnerability · Published Oct 13, 2026 · Assigned by microsoft

CVE-2026-85888Microsoft SQL Server Information Disclosure Vulnerability

High 7.7

In plain English

A high-severity out-of-bounds read in Microsoft SQL Server 2017 for x64-based Systems (CU31) from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.8%top 43.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

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

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C

References