CVE-2026-54116: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') in Microsoft Microsoft SQL Server 2025 (CU 6)
Access of resource using incompatible type ('type confusion') in SQL Server allows an authorized attacker to disclose information over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-54116) involves a type confusion issue (CWE-843) in Microsoft SQL Server 2025 (CU 6), specifically version 17.0.4060.2. It allows an authorized attacker to access resources using incompatible types, leading to information disclosure over a network. The CVSS 3.1 vector indicates network attack vector, low attack complexity, requires privileges, no user interaction, and impacts confidentiality with no integrity or availability impact. Microsoft has published an official fix for this vulnerability as detailed in their security update guide.
Potential Impact
An authorized attacker with privileges can exploit this vulnerability to disclose sensitive information over the network. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users should apply the security update provided by Microsoft as referenced in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54116 to remediate this issue.
CVE-2026-54116: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') in Microsoft Microsoft SQL Server 2025 (CU 6)
Description
Access of resource using incompatible type ('type confusion') in SQL Server allows an authorized attacker to disclose information over a network.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-54116) involves a type confusion issue (CWE-843) in Microsoft SQL Server 2025 (CU 6), specifically version 17.0.4060.2. It allows an authorized attacker to access resources using incompatible types, leading to information disclosure over a network. The CVSS 3.1 vector indicates network attack vector, low attack complexity, requires privileges, no user interaction, and impacts confidentiality with no integrity or availability impact. Microsoft has published an official fix for this vulnerability as detailed in their security update guide.
Potential Impact
An authorized attacker with privileges can exploit this vulnerability to disclose sensitive information over the network. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users should apply the security update provided by Microsoft as referenced in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54116 to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-11T20:33:37.835Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54116","vendor":"Microsoft"}]
Threat ID: 6a5676ad68715ace43f097ca
Added to database: 07/14/2026, 17:49:33 UTC
Last enriched: 08/13/2026, 15:21:13 UTC
Last updated: 08/28/2026, 19:39:45 UTC
Views: 87
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