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CVE-2026-54116— Microsoft SQL Server Information Disclosure Vulnerability

Quick assessment

Affected
Microsoft Microsoft SQL Server 2025 (CU 6)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft SQL Server是美国Microsoft公司的一套应用在Microsoft Windows系统下的大型商业数据库系统。 Microsoft SQL Server存在缓冲区错误漏洞，该漏洞源于对资源使用不兼容类型（类型混淆），可能导致授权攻击者通过网络披露信息。

CVSS 6.5 · Medium EPSS 1.00% · P61

Affected Version Matrix 2

VendorProduct Version RangeStatus
Microsoft Microsoft SQL Server 2025 (CU 6) 17.0.4060.2< 17.0.4060.2 affected
Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0.1050.2< 17.0.1125.2 affected
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I. Basic Information for CVE-2026-54116

Vulnerability Information
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Vulnerability Title
Microsoft SQL Server Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Access of resource using incompatible type ('type confusion') in SQL Server allows an authorized attacker to disclose information over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用不兼容类型访问资源(类型混淆)
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft SQL Server 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft SQL Server是美国Microsoft公司的一套应用在Microsoft Windows系统下的大型商业数据库系统。 Microsoft SQL Server存在缓冲区错误漏洞，该漏洞源于对资源使用不兼容类型（类型混淆），可能导致授权攻击者通过网络披露信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Microsoft SQL Server 2025 (CU 6) 17.0.4060.2 ~ 17.0.4060.2 -
Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0.1050.2 ~ 17.0.1125.2 -

II. Public POCs for CVE-2026-54116

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III. Intelligence Information for CVE-2026-54116

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Vendor Advisories for CVE-2026-54116 (1)

Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total

CVE-2026-57092 9.9 CRITICAL Microsoft Windows VMSwitch Elevation of Privilege Vulnerability
CVE-2026-56190 9.8 CRITICAL Remote Desktop Protocol Remote Code Execution Vulnerability
CVE-2026-50518 9.8 CRITICAL Windows DHCP Server Remote Code Execution Vulnerability
CVE-2026-56159 9.8 CRITICAL DHCP Server Service Remote Code Execution Vulnerability
CVE-2026-55944 9.8 CRITICAL Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Co
CVE-2026-42990 9.8 CRITICAL SQL Server ODBC driver Elevation of Privilege Vulnerability
CVE-2026-54118 9.8 CRITICAL Microsoft SQL Server Remote Code Execution Vulnerability
CVE-2026-56188 9.8 CRITICAL Windows Server Network driver Remote Code Execution Vulnerability
CVE-2026-54117 9.8 CRITICAL Microsoft SQL Server Remote Code Execution Vulnerability
CVE-2026-50522 9.8 CRITICAL Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2026-54990 9.8 CRITICAL Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-58644 9.8 CRITICAL Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2026-50447 9.8 CRITICAL Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability
CVE-2026-55010 9.8 CRITICAL Minecraft Bedrock Dedicated Server Remote Code Execution Vulnerability
CVE-2026-49172 9.8 CRITICAL Windows FTP Service Remote Code Execution Vulnerability
CVE-2026-48561 9.6 CRITICAL Microsoft Edge Copilot Remote Code Execution Vulnerability
CVE-2026-50380 9.6 CRITICAL Windows GDI+ Remote Code Execution Vulnerability
CVE-2026-55008 9.6 CRITICAL Microsoft Exchange Server Spoofing Vulnerability
CVE-2026-49798 9.3 CRITICAL Windows Kernel Elevation of Privilege Vulnerability
CVE-2026-55040 9.1 CRITICAL Microsoft SharePoint Server Security Feature Bypass Vulnerability

Showing top 20 of 570 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft SQL Server 2025 (CU 6)
Same vendor: Microsoft
Same weakness: CWE-843

V. Comments for CVE-2026-54116

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