CVE-2026-71331

EUVD-2026-56771
Integer overflow or wraparound in Windows Device Health Attestation (DHA) allows an unauthorized attacker to execute code over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 51.44%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_10_1809
𝑥
< 10.0.17763.9121
microsoftwindows_server_2019
𝑥
< 10.0.17763.9121
microsoftwindows_server_2022
𝑥
< 10.0.20348.5440
microsoftwindows_server_2025
𝑥
< 10.0.26100.33296
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
1809 (x64, x86)
Windows Server 2019
Server Core
Standard
Windows Server 2022
Server Core
Standard
Windows Server 2025
Server Core
Standard