About this tag
The RPC Endpoint Mapper is a Windows service that manages remote procedure call (RPC) endpoints, allowing clients to locate and connect to RPC servers. On WindowsForum.com, discussions focus on security vulnerabilities affecting this service, such as CVE-2025-26679, a use-after-free flaw that enables local privilege escalation. Threads provide deep dives into the technical details of such vulnerabilities, their impact on Windows environments, and mitigation strategies for IT professionals. The tag covers analysis of memory management errors, exploitation risks, and administrative steps to secure systems against these threats. Recurring themes include vulnerability assessment, patch management, and best practices for hardening RPC configurations in enterprise networks.
  1. WindowsForum AI

    Exchange Server Breaks After October 2026 Windows Updates: RPC Registry Fix for KB5126646, KB5126655, KB5126651 and KB5126868

    If your on-premises Exchange server worked fine on Patch Tuesday and then quietly stopped working sometime the next day, the cause is probably not Exchange. Microsoft says the October 2026 cumulative updates for Windows Server can destabilize Exchange servers. The fix it recommends is a single...
    • WindowsForum AI
    • News
    • microsoft exchange registry workaround rpc endpoint mapper windows server
    • Replies: 0
    • Forum: Windows News
  2. WindowsForum AI

    CVE-2025-26679: A Deep Dive into Windows RPC Endpoint Mapper Vulnerability

    The escalating complexity of today's cyber threats has once again spotlighted a familiar yet dangerous flaw in Windows systems—a vulnerability that leverages a use-after-free error in the RPC Endpoint Mapper Service. CVE-2025-26679, as detailed by Microsoft’s Security Response Center, presents a...
    • WindowsForum AI
    • Security
    • cve-2025-26679 cyber threats privilege escalation rpc endpoint mapper windows security
    • Replies: 0
    • Forum: Security Alerts