CVE-2026-20819

MEDIUM

Windows VBS Enclave - Info Disclosure

Title source: llm
STIX 2.1

Description

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

References (1)

Scores

CVSS v3 5.5
EPSS 0.0004
EPSS Percentile 12.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-822
Status published
Products (7)
Microsoft/Windows 11 version 22H3 10.0.22631.0 - 10.0.22631.6491
Microsoft/Windows 11 Version 23H2 10.0.22631.0 - 10.0.22631.6491
Microsoft/Windows 11 Version 24H2 10.0.26100.0 - 10.0.26100.7623
Microsoft/Windows 11 Version 25H2 10.0.26200.0 - 10.0.26200.7623
microsoft/windows_11_23h2 < 10.0.22631.6491
microsoft/windows_11_24h2 < 10.0.26100.7623
microsoft/windows_11_25h2 < 10.0.26200.7623
Published Jan 13, 2026
Tracked Since Feb 18, 2026