VBS Trusted Execution Environment

The vulnerability of the trusted execution environment for Windows-based Virtualization-Based Security VBS operating systems is related to unreliable pointer aliasing. Exploiting this vulnerability can allow an attacker to circumvent security restrictions...

CVE-2026-32220

Improper access control in Windows Virtualization-Based Security VBS Enclave allows an authorized attacker to bypass a security feature locally...

Windows Virtualization Information Disclosure

The vulnerability of the security function based on virtualization, known as Virtualization-Based Security VBS in Windows operating systems, is related to the use of a non-trusted pointer. Exploiting this vulnerability can allow attackers to circumvent existing security restrictions...

CVE-2026-20876

CVE-2026-20876 is a heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave that enables a locally authorized attacker to elevate privileges. The vulnerability targets the VBS Enclave component and can lead to total compromise of the host if exploited. Microsoft has publ...

Windows Virtualization-Based Security (VBS) Information Disclosure Vulnerability

Untrusted pointer dereference in Windows Virtualization-Based Security VBS Enclave allows an unauthorized attacker to disclose information locally...

EUVD-2025-10153

Malicious code in bioql PyPI...

CVE-2025-48803

Missing support for integrity check in Windows Virtualization-Based Security VBS Enclave allows an authorized attacker to elevate privileges locally...

CVE-2025-47159

Protection mechanism failure in Windows Virtualization-Based Security VBS Enclave allows an authorized attacker to elevate privileges locally...

CVE-2025-48811 Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

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CVE-2024-49076

Windows Virtualization-Based Security VBS Enclave Elevation of Privilege Vulnerability...

June 11, 2019—KB4503293 (OS Build 18362.175)

June 11, 2019—KB4503293 OS Build 18362.175 Applies To Windows 10, version 1903, all editions Windows Server version 1903 Note Note Follow @WindowsUpdate to find out when new content is published to the release information dashboard. Note This release also contains updates for Microsoft HoloLens O...

July 10, 2018—KB4338819 (OS Build 17134.165)

July 10, 2018—KB4338819 OS Build 17134.165 Applies To Windows 10, version 1803, all editions Note This release also contains updates for Microsoft HoloLens OS Build 17134.165 released July 10, 2018. Improvements and fixes This update includes quality improvements. No new operating system features...