vbs enclave

CVE-2026-20935 is a vendor-acknowledged information‑disclosure flaw in Windows’ Virtualization‑Based Security (VBS) enclave that requires local, authorized access but carries outsized operational risk because leaked enclave data can accelerate full host compromise; administrators should treat...

Microsoft’s advisory for CVE-2026-20938 describes an elevation-of-privilege weakness in Windows’ Virtualization‑Based Security (VBS) Enclave, a security boundary designed to isolate sensitive runtime code and secrets; the vendor’s guidance makes the vulnerability’s existence clear and requires...

Microsoft has recorded CVE-2026-20876 — a Virtualization‑Based Security (VBS) enclave vulnerability that Microsoft classifies as an elevation‑of‑privilege risk and has published an Update Guide entry directing administrators to map the CVE to specific KBs and apply vendor fixes immediately...

Microsoft’s security update listing for CVE-2026-20819 identifies an untrusted pointer dereference in the Windows Virtualization‑Based Security (VBS) enclave that can be induced by an authorized local actor to disclose sensitive information from inside the enclave, and Microsoft has published an...