6.7

CVE-2026-20876

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

Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
MicrosoftWindows 11 23h2 Version < 10.0.22631.6491
MicrosoftWindows 11 24h2 Version < 10.0.26100.7623
MicrosoftWindows 11 25h2 Version < 10.0.26200.7623
MicrosoftWindows Server 2022 23h2 Version < 10.0.25398.2092
MicrosoftWindows Server 2025 Version < 10.0.26100.32230
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.06% 0.174
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
secure@microsoft.com 6.7 0.8 5.9
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-122 Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().