UNKNOWN Microsoft PoC
CVE-2024-21907
VulnCheck: CVE-2024-21907 Improper Handling of Exceptional Conditions in Newtonsoft.Json
Microsoft Security Update 2025-Sep: VulnCheck: CVE-2024-21907 Improper Handling of Exceptional Conditions in Newtonsoft.Json
Affected Products
- Microsoft SQL Server 2017 for x64-based Systems (GDR)
- Microsoft SQL Server 2019 for x64-based Systems (GDR)
- Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)
- Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 Azure Connect Feature Pack
- Microsoft SQL Server 2017 for x64-based Systems (CU 31)
- Microsoft SQL Server 2019 for x64-based Systems (CU 32)
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21907
- https://nvd.nist.gov/vuln/detail/CVE-2024-21907
This unknown severity vulnerability was published on 2025-09-09 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. EPSS score: 32.9% (top 2% of all CVEs by exploitation probability). Affected: Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR) and 3 more.
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