7.3

CVE-2026-21244

Windows Hyper-V Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
MicrosoftWindows 10 1607 HwPlatformx64 Version < 10.0.14393.8868
MicrosoftWindows 10 1809 HwPlatformx64 Version < 10.0.17763.8389
MicrosoftWindows 10 21h2 HwPlatformx64 Version < 10.0.19044.6937
MicrosoftWindows 10 22h2 HwPlatformx64 Version < 10.0.19045.6937
MicrosoftWindows 11 23h2 HwPlatformarm64 Version < 10.0.22631.6649
MicrosoftWindows 11 23h2 HwPlatformx64 Version < 10.0.22631.6649
MicrosoftWindows 11 24h2 HwPlatformarm64 Version < 10.0.26100.7781
MicrosoftWindows 11 24h2 HwPlatformx64 Version < 10.0.26100.7781
MicrosoftWindows 11 25h2 HwPlatformarm64 Version < 10.0.26200.7781
MicrosoftWindows 11 25h2 HwPlatformx64 Version < 10.0.26200.7781
MicrosoftWindows Server 2016 Version < 10.0.14393.8868
MicrosoftWindows Server 2019 Version < 10.0.17763.8389
MicrosoftWindows Server 2022 Version < 10.0.20348.4711
MicrosoftWindows Server 2022 23h2 Version < 10.0.25398.2149
MicrosoftWindows Server 2025 Version < 10.0.26100.32313
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.39% 0.601
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
secure@microsoft.com 7.3 1.3 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/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().

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.