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Microsoft security patch release for CVE-2025-55234

Security Patch Release
First reported
Last updated
Happening score
H score 50
2 unique sources, 2 articles

Summary

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Microsoft's September 2025 Patch Tuesday updates patched about 80 vulnerabilities across Windows and related products. The release included fixes for CVE-2025-55234 in Windows SMB Server, along with publicly disclosed zero-days and multiple critical bugs. The bundle also covered CVE-2024-21907 in Newtonsoft.Json/SQL Server and additional issues in Azure Networking, Microsoft Edge, HPC Pack, NTLM, and BitLocker. Source reports varied slightly on the exact total, but they describe the same Patch Tuesday cycle.

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Timeline

  1. 10.09.2025 14:14 2 articles · 8mo ago

    Microsoft patches 80 vulnerabilities across Windows, Edge, Azure Networking, and BitLocker

    Initial Disclosure

    Microsoft released September 2025 Patch Tuesday updates for 80 security flaws across its software, including the publicly known CVE-2025-55234 privilege-escalation issue in Windows SMB, the CVSS 10.0 CVE-2025-54914 flaw in Azure Networking, and additional fixes for Microsoft Edge version 140.0.3485.54, Microsoft High Performance Compute (HPC) Pack, Windows NTLM, Newtonsoft.Json in SQL Server, and Windows BitLocker.

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  2. 09.09.2025 20:43 2 articles · 8mo ago

    Microsoft releases September 2025 Patch Tuesday updates for 81 flaws

    Initial Disclosure

    Microsoft releases September 2025 Patch Tuesday updates that fix 81 flaws across Windows and related products, including two publicly disclosed zero-days in Windows SMB Server and Microsoft SQL Server.

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  3. 09.09.2025 20:43 1 articles · 8mo ago

    Microsoft enables SMB hardening audit support for CVE-2025-55234

    Mitigation Patch Update

    Microsoft enables auditing of SMB client compatibility for SMB Server signing and SMB Server Extended Protection for Authentication (EPA) in the Windows updates released on and after September 9, 2025, helping administrators assess compatibility before fully enforcing SMB hardening for CVE-2025-55234.

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  4. 09.09.2025 20:43 1 articles · 8mo ago

    Microsoft fixes CVE-2024-21907 in Microsoft SQL Server

    Technical Analysis Update

    Microsoft updates Microsoft SQL Server with a fix for CVE-2024-21907 in Newtonsoft.Json before version 13.0.1, where crafted data passed to JsonConvert.DeserializeObject can trigger a StackOverflow exception and denial of service.

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