CVE-2026-27928

HIGH EPSS 32.6%
Published Apr 14, 20262mo ago · Modified Jun 17, 20261w ago
8.7 CVSS 3.1
High
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Published Apr 14, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

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

CVSS Details

Base Score
8.7
Exploitability
2.2
Impact
5.8
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Changed
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
32.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-20 Improper Input Validation Validation

Affected Products 5

VendorProductVersionRange
microsoftwindows_server_2016* <10.0.14393.9060
microsoftwindows_server_2019* <10.0.17763.8644
microsoftwindows_server_2022* <10.0.20348.5020
microsoftwindows_server_2022_23h2* <10.0.25398.2274
microsoftwindows_server_2025* <10.0.26100.32690

References 1

  • msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27928
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.