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    CVE-2025-48813: VSM Spoofing in Windows Patch Now for Credential Guard HVCI

    Microsoft has published an advisory describing CVE-2025-48813, a Virtual Secure Mode (VSM) spoofing vulnerability that arises when a VSM key is accepted past its expiration date—allowing an authorized local attacker to spoof identities or services inside the VSM isolation boundary. The issue is...
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    • credential guard patch management virtual secure mode windows security
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    • Forum: Security Alerts
  2. News

    Windows 10 Virtual Secure Mode with David Hepkin

    In this video I spent some time with David Hepkin, a member of the Windows engineering team working on Hyper-V, to get a better understanding of the Windows 10 Virtual Secure Mode. I've had the good fortune of learning a lot about Isolated User Mode with several folks in the kernel team. In this...
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    • david hepkin drivers hyper-v hypervisor isolated user mode kernel team memory access rogue devices security virtual secure mode virtualization windows 10
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    • Forum: Live RSS Feeds
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