CVE-2026-27906CWE-20

CVE-2026-27906

Medium · published April 14, 2026

CVSS v3.1
4.4
EPSS
0%
Percentile
34.0
In the wild
Unconfirmed
What it is

Improper input validation in Windows Hello allows an authorized attacker to bypass a security feature locally.

The record
Technical detail
CVSS v3.1
4.4 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00409 · 34.0th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-04-14T22:16Z
Affected products (14)
ProductVersionsFixed in
microsoft/windows_10_21h2< 10.0.19044.718410.0.19044.7184
microsoft/windows_10_21h2< 10.0.19044.718410.0.19044.7184
microsoft/windows_10_21h2< 10.0.19044.718410.0.19044.7184
microsoft/windows_10_22h2< 10.0.19045.718410.0.19045.7184
microsoft/windows_10_22h2< 10.0.19045.718410.0.19045.7184
microsoft/windows_10_22h2< 10.0.19045.718410.0.19045.7184
microsoft/windows_11_23h2< 10.0.22631.693610.0.22631.6936
microsoft/windows_11_23h2< 10.0.22631.693610.0.22631.6936
microsoft/windows_11_24h2< 10.0.26100.824610.0.26100.8246
microsoft/windows_11_24h2< 10.0.26100.824610.0.26100.8246
microsoft/windows_11_25h2< 10.0.26200.824610.0.26200.8246
microsoft/windows_11_25h2< 10.0.26200.824610.0.26200.8246
microsoft/windows_11_26h1< 10.0.28000.183610.0.28000.1836
microsoft/windows_11_26h1< 10.0.28000.183610.0.28000.1836
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27906 · [email protected]
EPSS history
Timeline
  • 14 APR 16:57Z
    Windows Hello Security Feature Bypass Vulnerability
    cvelistv5