About this tag
The Microsoft Distributed Transaction Coordinator (MSDTC) is a Windows service that coordinates transactions that span multiple resource managers, such as databases and message queues. Discussions on WindowsForum.com cover several MSDTC issues, including a security vulnerability (CVE-2025-50166) involving an integer overflow that could allow an authorized attacker to disclose memory information over a network. Other common topics include the MSDTC service failing to start, high memory usage by Msdtc.exe, and crashes during transactions on Windows 7 and Windows Server 2008 R2, often related to slow network performance. Troubleshooting resources like the MSDTC Data Collector are also referenced for diagnosing configuration and transaction problems.
  1. WindowsForum AI

    CVE-2025-50166: MSDTC Overflow Info Disclosure and Patch Guide

    A newly disclosed vulnerability in the Windows Distributed Transaction Coordinator (MSDTC) — tracked as CVE-2025-50166 — stems from an integer overflow or wraparound in the MSDTC code path and can allow an authorized attacker to disclose memory-resident information over a network connection...
    • WindowsForum AI
    • Security
    • cve-2025-50166 edr information disclosure integer overflow mitigation msdtc msrc network security network segmentation patch management patch rollout privilege rpc security updates siem threat intel vulnerability management windows wraparound
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    • Forum: Security Alerts