Windows Device Health Attestation (DHA)
CVE-2026-69443 — Windows Device Health Attestation (DHA) Information Disclosure Vulnerability
Executive Summary
Out-of-bounds read in Windows Device Health Attestation (DHA) allows an unauthorized attacker to disclose information over a network.
Overview
7.5
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
None
AVAILABILITY
None
Temporal Score: 7.5
EPSS Score
No EPSS score available for this CVE.
View on FIRST.orgAffected Products
8 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 10 Version 1809 for 32-bit Systems | 5122876 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1809 for x64-based Systems | 5122876 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server 2019 | 5122876 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server 2019 (Server Core installation) | 5122876 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server 2022 | 5122882 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server 2022 (Server Core installation) | 5122882 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server 2025 | 5122871 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server 2025 (Server Core installation) | 5122871 (Security Update) |
Important | Information Disclosure | Yes |
Patches
3 patches
| Article | Type | Restart |
|---|---|---|
5122876 |
Security Update | Yes |
5122882 |
Security Update | Yes |
5122871 |
Security Update | Yes |
Exploits & PoC
No public exploit or PoC has been linked for this CVE yet. When available, references are sourced from public repositories and may be unverified or non-functional — review carefully before use.
Detection Rules
No public Sigma or Nuclei detection rule has been mapped to this CVE yet. Coverage is concentrated on exploited / high-profile vulnerabilities; check SigmaHQ for updates.
Acknowledgments
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References
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