High severity · published Oct 13, 2026
CVE-2026-69577
Microsoft Azure Attestation service and Device Health Attestation Service Information Disclosure Vulnerability
7.5
CVSS
1.1%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WS
Windows Server 2019 · Microsoft
10.0.17763.0 before 10.0.17763.9376 · source: vendor, NVD
WS
Windows Server 2019 (Server Core installation) · Microsoft
10.0.17763.0 before 10.0.17763.9376 · source: vendor
WS
Windows Server 2022 · Microsoft
10.0.20348.0 before 10.0.20348.5761 · source: vendor, NVD
WS
Windows Server 2025 · Microsoft
10.0.26100.0 before 10.0.26100.33650 · source: vendor, NVD
WS
Windows Server 2025 (Server Core installation) · Microsoft
10.0.26100.0 before 10.0.26100.33650 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-69577
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-69577
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69577
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