cbcvebase.
CVE-2026-20938
published 2026-01-13

CVE-2026-20938: Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

Affected

13 ranges
VendorProductVersion rangeFixed in
microsoftwindows_11_23h2< 10.0.22631.649110.0.22631.6491
microsoftwindows_11_24h2< 10.0.26100.762310.0.26100.7623
microsoftwindows_11_25h2< 10.0.26200.762310.0.26200.7623
microsoftwindows_11_version_22h3>= 10.0.22631.0 < 10.0.22631.649110.0.22631.6491
microsoftwindows_11_version_23h2>= 10.0.22631.0 < 10.0.22631.649110.0.22631.6491
microsoftwindows_11_version_24h2>= 10.0.26100.0 < 10.0.26100.762310.0.26100.7623
microsoftwindows_11_version_25h2>= 10.0.26200.0 < 10.0.26200.762310.0.26200.7623
msrcwindows_11_version_23h2_for_arm64-based_systems
msrcwindows_11_version_23h2_for_x64-based_systems
msrcwindows_11_version_24h2_for_arm64-based_systems
msrcwindows_11_version_24h2_for_x64-based_systems
msrcwindows_11_version_25h2_for_arm64-based_systems
msrcwindows_11_version_25h2_for_x64-based_systems