CVE-2026-26115: CWE-1287: Improper Validation of Specified Type of Input in Microsoft Microsoft SQL Server 2016 Service Pack 3 (GDR)
Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
AI Analysis
Technical Summary
This vulnerability (CWE-1287) in Microsoft SQL Server 2016 Service Pack 3 (GDR) involves improper validation of the specified type of input, which can be exploited by an authorized attacker to elevate privileges remotely. The CVSS 3.1 base score is 8.8, indicating high severity with network attack vector, low attack complexity, and no user interaction required. Microsoft has published an official fix for this vulnerability as detailed in their security update guide.
Potential Impact
Successful exploitation allows an authorized attacker to elevate privileges on the affected SQL Server instance, potentially leading to full compromise of the database server's confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26115 to remediate this vulnerability.
CVE-2026-26115: CWE-1287: Improper Validation of Specified Type of Input in Microsoft Microsoft SQL Server 2016 Service Pack 3 (GDR)
Description
Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-1287) in Microsoft SQL Server 2016 Service Pack 3 (GDR) involves improper validation of the specified type of input, which can be exploited by an authorized attacker to elevate privileges remotely. The CVSS 3.1 base score is 8.8, indicating high severity with network attack vector, low attack complexity, and no user interaction required. Microsoft has published an official fix for this vulnerability as detailed in their security update guide.
Potential Impact
Successful exploitation allows an authorized attacker to elevate privileges on the affected SQL Server instance, potentially leading to full compromise of the database server's confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26115 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T15:52:13.910Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26115","vendor":"Microsoft"}]
Threat ID: 69b05631ea502d3aa87d6b26
Added to database: 03/10/2026, 17:34:41 UTC
Last enriched: 06/19/2026, 20:30:40 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 349
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.