CVE-2026-58638Medium· 6.0▾ SunlitMissing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 33 · likelihood 0 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
Last analysed / modified upstream
Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.
windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.9020windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7548windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19045.7548windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.8875windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.8875windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2525windows_server_2012 >= 6.2.9200.0 < 6.2.9200.26226windows_server_2012_server_core_installation >= 6.2.9200.0 < 6.2.9200.26226windows_server_2012_r2 >= 6.3.9600.0 < 6.3.9600.23291windows_server_2012_r2_server_core_installation >= 6.3.9600.0 < 6.3.9600.23291windows_server_2016 >= 10.0.14393.0 < 10.0.14393.9339windows_server_2016_server_core_installation >= 10.0.14393.0 < 10.0.14393.9339windows_server_2019 >= 10.0.17763.0 < 10.0.17763.9020windows_server_2019_server_core_installation >= 10.0.17763.0 < 10.0.17763.9020windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5386windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33158windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33158Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-71331High· 8.1Windows Device Health Attestation (DHA) Remote Code Execution Vulnerability
CVE-2026-70577High· 7.0Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
CVE-2026-69801High· 7.8Heap-based buffer overflow in Windows Audio Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69549High· 7.0Out-of-bounds read in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-69553High· 7.1Missing authorization in Windows Hyper-V allows an authorized attacker to elevate privileges over a network.
CVE-2026-69516High· 7.0Use after free in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.