high8.1
CVE-2026-66802
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Device Health Attestation (DHA) allows an unauthorized a…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 1809 | before 10.0.17763.9121 |
| Microsoft | Windows 11 26h1 | before 10.0.28000.2704 |
| Microsoft | Windows Server 2019 | before 10.0.17763.9121 |
| Microsoft | Windows Server 2022 | before 10.0.20348.5440 |
| Microsoft | Windows Server 2025 | before 10.0.26100.33222 |