Sql Server 2019 CVEs and Security Vulnerabilities

CVE-2026-67632

Microsoft SQL Server Remote Code Execution Vulnerability

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

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Microsoft Sql Server 2017 For X64-based Systems \(cu31\) Microsoft Sql Server 2019 For X64-based Systems \(cu32\) Microsoft Sql Server 2022 For X64-based Systems \(cu27\) and 5 more

CVE-2026-67637

Microsoft SQL Server Remote Code Execution Vulnerability

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

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Microsoft Sql Server 2017 For X64-based Systems \(cu31\) Microsoft Sql Server 2019 For X64-based Systems \(cu32\) Microsoft Sql Server 2022 For X64-based Systems \(cu27\) and 5 more

CVE-2026-67391

Microsoft SQL Server Remote Code Execution Vulnerability

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

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Microsoft Sql Server 2017 For X64-based Systems \(cu31\) Microsoft Sql Server 2019 For X64-based Systems \(cu32\) Microsoft Sql Server 2022 For X64-based Systems \(cu27\) and 5 more

CVE-2026-94511

SQL Server Remote Code Execution Vulnerability

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

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Microsoft Sql Server 2017 For X64-based Systems \(cu31\) Microsoft Sql Server 2019 For X64-based Systems \(cu32\) Microsoft Sql Server 2022 For X64-based Systems \(cu27\) and 5 more

CVE-2026-67645

Microsoft SQL Server Information Disclosure Vulnerability

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

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Microsoft Sql Server 2017 (gdr) Microsoft Sql Server 2017 For X64-based Systems \(cu31\) Microsoft Sql Server 2019 (gdr) and 8 more

CVE-2026-68781

Microsoft SQL Server Information Disclosure Vulnerability

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

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Microsoft Sql Server 2017 For X64-based Systems \(cu31\) Microsoft Sql Server 2019 For X64-based Systems \(cu32\) Microsoft Sql Server 2022 For X64-based Systems \(cu27\) and 5 more

CVE-2026-94520

Microsoft SQL Server Denial of Service Vulnerability

Use of externally-controlled format string in SQL Server allows an authorized attacker to deny service over a network.

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Microsoft Sql Server 2017 (gdr) Microsoft Sql Server 2017 For X64-based Systems \(cu31\) Microsoft Sql Server 2019 (gdr) and 10 more

CVE-2026-94512

SQL Server Remote Code Execution Vulnerability

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

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Microsoft Sql Server 2017 (gdr) Microsoft Sql Server 2017 For X64-based Systems \(cu31\) Microsoft Sql Server 2019 (gdr) and 10 more

CVE-2026-88089

Microsoft SQL Server Remote Code Execution Vulnerability

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

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Microsoft Sql Server 2017 For X64-based Systems \(cu31\) Microsoft Sql Server 2019 For X64-based Systems \(cu32\) Microsoft Sql Server 2022 For X64-based Systems \(cu27\) and 7 more

CVE-2026-96956

SQL Server Elevation of Privilege Vulnerability

Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.

CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Microsoft Sql Server 2017 For X64-based Systems \(cu31\) Microsoft Sql Server 2019 For X64-based Systems \(cu32\) Microsoft Sql Server 2022 For X64-based Systems \(cu27\) and 6 more

CVE-2023-21568

Use after free in SQL Server allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Microsoft Sql Server 2019 For X64-based Systems \(cu32\) Microsoft Sql Server 2022 For X64-based Systems \(cu27\) Microsoft Sql Server 2025 For X64-based Systems (gdr) and 4 more

Search vulnerabilities

Microsoft SQL Server Remote Code Execution Vulnerability

Microsoft SQL Server Remote Code Execution Vulnerability

Microsoft SQL Server Remote Code Execution Vulnerability

SQL Server Remote Code Execution Vulnerability

Microsoft SQL Server Information Disclosure Vulnerability

Microsoft SQL Server Information Disclosure Vulnerability

Microsoft SQL Server Denial of Service Vulnerability

SQL Server Remote Code Execution Vulnerability

Microsoft SQL Server Remote Code Execution Vulnerability

SQL Server Elevation of Privilege Vulnerability

Microsoft SQL Server Integration Service (VS extension) Remote Code Execution Vulnerability

Microsoft SQL Server Remote Code Execution Vulnerability

Microsoft SQL Server Remote Code Execution Vulnerability

Microsoft SQL Server Elevation of Privilege Vulnerability

Microsoft SQL Server Remote Code Execution Vulnerability

Microsoft SQL Server Elevation of Privilege Vulnerability

Microsoft SQL Server Denial of Service Vulnerability

Microsoft SQL Server Information Disclosure Vulnerability

Microsoft SQL Server Elevation of Privilege Vulnerability

Microsoft SQL Server Elevation of Privilege Vulnerability