6

CVE-2026-58638

Windows Boot Loader Security Feature Bypass Vulnerability

Missing cryptographic step in Windows Boot Loader 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 23h2 HwPlatformarm64 Version < 10.0.22631.7376
MicrosoftWindows 11 23h2 HwPlatformx64 Version < 10.0.22631.7376
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 HwPlatformarm64 Version < 10.0.28000.2269
MicrosoftWindows 11 26h1 HwPlatformx64 Version < 10.0.28000.2269
MicrosoftWindows Server 2016 SwEdition- HwPlatformx64 Version < 10.0.14393.9339
MicrosoftWindows Server 2019 SwEdition- HwPlatformx64 Version < 10.0.17763.9020
MicrosoftWindows Server 2022 HwPlatformx64 Version < 10.0.20348.5386
MicrosoftWindows Server 2025 HwPlatformx64 Version < 10.0.26100.33158
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 0.23% 0.137
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Microsoft 6 0.8 5.2
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
CWE-325 Missing Cryptographic Step

The product does not implement a required step in a cryptographic algorithm, resulting in weaker encryption than advertised by the algorithm.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58638
Patch
Vendor Advisory