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WID-SEC-2026-1103: Critical Microsoft SQL Server Vulnerabilities Allow Code Execution and Privilege Elevation

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Summary

CERT-Bund issued security advisory WID-SEC-2026-1103 warning of multiple critical vulnerabilities in Microsoft SQL Server 2016, 2017, 2019, and 2022. The flaws carry a CVSS Base Score of 8.8 (high) and a Temporal Score of 7.7 (high). Attackers can exploit these vulnerabilities remotely to execute arbitrary code and escalate privileges. Mitigations are available.

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What changed

CERT-Bund published security advisory WID-SEC-2026-1103 documenting critical vulnerabilities in Microsoft SQL Server affecting versions 2016 through 2022. The vulnerabilities carry a CVSS Base Score of 8.8 (high) and enable remote attackers to execute arbitrary code and elevate privileges. The advisory confirms mitigations are available.

Organizations running affected Microsoft SQL Server versions should immediately apply available mitigations and patch updates. Database administrators and IT security teams should prioritize reviewing remote access controls to SQL Server instances and incorporate these vulnerabilities into vulnerability management processes.

What to do next

  1. Apply available mitigations to affected Microsoft SQL Server installations
  2. Update vulnerability management procedures for Microsoft SQL Server deployments
  3. Review remote access controls to SQL Server instances

Archived snapshot

Apr 15, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

[WID-SEC-2026-1103] Microsoft SQL Server: Mehrere Schwachstellen CVSS Base Score 8.8 (hoch) CVSS Temporal Score 7.7 (hoch) Remoteangriff ja Datum 14.04.2026 Stand 15.04.2026 Mitigation ja

Betroffene Systeme

Betriebssystem

  • Windows

Produktbeschreibung

Der Microsoft SQL Server ist ein relationales Datenbankmanagementsystem von Microsoft.
Der Microsoft SQL Server ist ein relationales Datenbankmanagementsystem von Microsoft.

Produkte

14.04.2026
- Microsoft SQL Server 2022 (CU 24)

  • Microsoft SQL Server 2017 (GDR)

  • Microsoft SQL Server 2019 (GDR)

  • Microsoft SQL Server 2016 SP3 (GDR)

  • Microsoft SQL Server 2016 SP3 Azure Connect Feature Pack

  • Microsoft SQL Server 2017 (CU 31)

  • Microsoft SQL Server 2022 (GDR)

  • Microsoft SQL Server 2019 (CU 32)

Angriff

Angriff

Ein Angreifer kann mehrere Schwachstellen in Microsoft SQL Server 2017, Microsoft SQL Server 2019, Microsoft SQL Server 2016 und Microsoft SQL Server 2022 ausnutzen, um beliebigen Programmcode auszuführen, und um seine Privilegien zu erhöhen. CVE Informationen Versionshistorie Feedback zum Advisory geben

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CERT-Bund Security Advisories wid.cert-bund.de/content/public/securityAdvisory/rss
Data Privacy & Cybersecurity

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Classification

Agency
CERT-Bund
Published
April 14th, 2026
Instrument
Guidance
Legal weight
Non-binding
Stage
Final
Change scope
Substantive
Document ID
WID-SEC-2026-1103

Who this affects

Applies to
Technology companies Government agencies
Industry sector
5112 Software & Technology
Activity scope
Security vulnerability remediation Database server patching Remote code execution prevention
Geographic scope
Germany DE

Taxonomy

Primary area
Cybersecurity
Operational domain
IT Security
Compliance frameworks
NIST CSF
Topics
Data Privacy Software & Technology

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