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CVE-2026-27928 - Vulnerability Analysis

HighCVSS: 8.7

Last Updated: April 14, 2026

Windows Hello - Authentication Bypass

Published: April 14, 2026Updated: April 14, 2026Remote Exploitable

Overview

Windows Hello contains a broken authentication caused by improper input validation, letting unauthorized attackers bypass security features over a network, exploit requires network access.

Severity & Score

Severity: High

CVSS Score: 8.7

Impact

Unauthorized attackers can bypass security features remotely, potentially gaining unauthorized access.

Mitigation

Update to the latest version of Windows Hello.

References

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

Related Resources

Vulnerability Intelligence Dashboard
Credential Scanner

Details

CVE ID: CVE-2026-27928
Severity: High
CVSS Score: 8.7
Type: broken_authentication
Status: new

CWE

CWE-20

CVSS Metrics

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N