5.5

CVE-2026-50303

Medienbericht

Windows Key Guard Security Feature Bypass Vulnerability

Use of a cryptographic primitive with a risky implementation in Windows Key Guard allows an authorized attacker to bypass a security feature locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
MicrosoftWindows 10 1809 HwPlatformx64 Version < 10.0.17763.9020
MicrosoftWindows 10 1809 HwPlatformx86 Version < 10.0.17763.9020
MicrosoftWindows 10 21h2 HwPlatformarm64 Version < 10.0.19044.7548
MicrosoftWindows 10 21h2 HwPlatformx64 Version < 10.0.19044.7548
MicrosoftWindows 10 21h2 HwPlatformx86 Version < 10.0.19044.7548
MicrosoftWindows 10 22h2 HwPlatformarm64 Version < 10.0.19045.7548
MicrosoftWindows 10 22h2 HwPlatformx64 Version < 10.0.19045.7548
MicrosoftWindows 10 22h2 HwPlatformx86 Version < 10.0.19045.7548
MicrosoftWindows 11 24h2 HwPlatformarm64 Version < 10.0.26100.8875
MicrosoftWindows 11 24h2 HwPlatformx64 Version < 10.0.26100.8875
MicrosoftWindows 11 25h2 HwPlatformarm64 Version < 10.0.26200.8875
MicrosoftWindows 11 25h2 HwPlatformx64 Version < 10.0.26200.8875
MicrosoftWindows 11 26h1 HwPlatformx64 Version < 10.0.28000.2269
MicrosoftWindows 11 26h1 HwPlatformarm64 Version < 10.0.28000.2525
MicrosoftWindows Server 2019 Version < 10.0.17763.9020
MicrosoftWindows Server 2022 Version < 10.0.20348.5386
MicrosoftWindows Server 2025 Version < 10.0.26100.33158
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.2% 0.103
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE-1240 Use of a Cryptographic Primitive with a Risky Implementation

To fulfill the need for a cryptographic primitive, the product implements a cryptographic algorithm using a non-standard, unproven, or disallowed/non-compliant cryptographic implementation.

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VulnDex Intel
Media Report
14.07.2026 20:08
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50303
Patch
Vendor Advisory