EUVD-2026-73133
GHSA-m98g-6wgm-9688
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Network-accessible DHA service requires no authentication; out-of-bounds read leaks memory contents (C:H); no integrity or availability impact present.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Out-of-bounds read in Windows Device Health Attestation (DHA) allows an unauthorized attacker to disclose information over a network.
AnalysisAI
Out-of-bounds read in the Windows Device Health Attestation (DHA) service exposes sensitive memory contents to unauthenticated remote attackers. The flaw affects Windows 10 Version 1809, Windows Server 2019, 2022, and 2025, where a crafted network request can trigger the read beyond an allocated buffer, leaking high-confidentiality data. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions are required beyond network access to the Device Health Attestation service: exploitation is unauthenticated, requires no user interaction, and no non-default configuration is needed per the CVSS vector AV:N/AC:L/PR:N/UI:N. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.5 score (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) reflects a high-confidentiality, network-exploitable flaw with no authentication barrier and low complexity - a meaningful priority in server environments. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the Microsoft-released patches to bring affected systems to the following minimum build levels: Windows 10 Version 1809 and Windows Server 2019 to build 10.0.17763.9245 or later; Windows Server 2022 to build 10.0.20348.5622 or later; Windows Server 2025 to build 10.0.26100.33438 or later. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all systems running Windows 10 Version 1809, Windows Server 2019, 2022, and 2025, and verify current patch status against Microsoft's advisory. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Information Disclosure
View allShare
External POC / Exploit Code
Leaving vuln.today