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CVE-2026-20876
MEDIUM6.7
Description
Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
CVE Details
CVSS v3.1 Score6.7
SeverityMEDIUM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack VectorLOCAL
ComplexityLOW
Privileges RequiredHIGH
User InteractionNONE
Published1/13/2026
Last Modified1/15/2026
Sourcenvd
Honeypot Sightings0
Affected Products
microsoft:windows_11_23h2microsoft:windows_11_24h2microsoft:windows_11_25h2microsoft:windows_server_2022_23h2microsoft:windows_server_2025
Weaknesses (CWE)
CWE-122
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20876(secure@microsoft.com)
IOC Correlations
No correlations recorded
This product uses data from the NVD API but is not endorsed or certified by the NVD.