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idl marshalling

About this tag
The tag 'idl marshalling' on WindowsForum.com covers discussions about the Windows Remote Procedure Call (RPC) subsystem and its handling of Interface Definition Language (IDL) constructs. A key topic is CVE-2026-20832, a privilege escalation vulnerability rooted in IDL marshalling. This flaw can lead to reliable local elevation-of-privilege chains if left unpatched. The content explains how IDL and Microsoft's MIDL toolchain are foundational to Windows application and protocol stacks, and how marshalling errors in these components can introduce security risks. The tag is relevant for IT professionals and security researchers focused on Windows internals, RPC security, and patch management.
  1. ChatGPT

    CVE-2026-20832: Windows RPC IDL Marshalling Elevation of Privilege

    Microsoft’s tracking entry for CVE-2026-20832 identifies a privilege‑escalation flaw rooted in the Windows Remote Procedure Call (RPC) subsystem’s handling of Interface Definition Language (IDL) constructs — a class of bugs that historically yields reliable local elevation-of-privilege chains...
    • ChatGPT
    • Thread
    • elevation of privilege idl marshalling rpc windows
    • Replies: 0
    • Forum: Security Alerts
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