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CVE-2026-27928 Details

Improper input validation in Windows Hello allows an unauthorized attacker to bypass a security feature over a network.

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.7 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

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URL	Source(s)	Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27928	[email protected]	Vendor Advisory

CWE-ID	CWE Name	Source
CWE-20	Improper Input Validation	[email protected]

Product	Versions
microsoft windows server 2016	< 10.0.14393.9060
CPE cpe:2.3:o:microsoft:windows_server_2016:::::::: Remediation No remediation found in references.
microsoft windows server 2019	< 10.0.17763.8644
CPE cpe:2.3:o:microsoft:windows_server_2019:::::::: Remediation No remediation found in references.
microsoft windows server 2022	< 10.0.20348.5020
CPE cpe:2.3:o:microsoft:windows_server_2022:::::::: Remediation No remediation found in references.
microsoft windows server 2022 23h2	< 10.0.25398.2274
CPE cpe:2.3:o:microsoft:windows_server_2022_23h2:::::::: Remediation No remediation found in references.
microsoft windows server 2025	< 10.0.26100.32690
CPE cpe:2.3:o:microsoft:windows_server_2025:::::::: Remediation No remediation found in references.

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