Windows Device Health Attestation (DHA) Remote Code Execution Vulnerability (Microsoft Windows 10 Version 1809)

CVE-2026-66802
HIGH 8.1

At a glance

Source
NVD
EPSS
EPSS 0.54 % · percentile 46 ()
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Modified

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Device Health Attestation (DHA) allows an unauthorized attacker to execute code over a network.

Weaknesses (CWE)

  • CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization
  • CWE-416 — Use After Free

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1HIGH 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · secure@microsoft.com (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Microsoft · Windows 10 Version 1809affected 10.0.17763.0 < 10.0.17763.9121
Microsoft · Windows 11 version 26H1affected 10.0.28000.0 < 10.0.28000.2704
Microsoft · Windows Server 2019affected 10.0.17763.0 < 10.0.17763.9121
Microsoft · Windows Server 2019 (Server Core installation)affected 10.0.17763.0 < 10.0.17763.9121
Microsoft · Windows Server 2022affected 10.0.20348.0 < 10.0.20348.5499
Microsoft · Windows Server 2025affected 10.0.26100.0 < 10.0.26100.33296
Microsoft · Windows Server 2025 (Server Core installation)affected 10.0.26100.0 < 10.0.26100.33296

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD