CVE-2026-69443
highOut-of-bounds read in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to disclose information over a…
Vendor / product: Microsoft — windows 10 1809
Out-of-bounds read in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to disclose information over a network.
CVSS
7.5
7.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Severity source: NVD CVSS v3.1 (secure@microsoft.com)
Timeline (UTC)
Published: 2026-09-08 18:19
Modified: 2026-09-23 19:18
NVD status: Modified
Last synced 2 days ago
Verified against the source API 2026-10-27 06:51 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
microsoft / windows_10_1809 <10.0.17763.9245
microsoft / windows_server_2019 <10.0.17763.9245
microsoft / windows_server_2022 <10.0.20348.5622
microsoft / windows_server_2025 <10.0.26100.33438
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69443
Patch / mitigation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69443
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69443 secure@microsoft.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:51 UTC · record ↗