All vulnerabilities
CVE-2026-69577

Windows Server 2019: Microsoft Azure Attestation service and Device Health Attestation Service Information Disclosure Vulnerability

Microsoft Windows Server 2019Operating systems
CVSS
7.5High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.97%Chance of exploitation activity in the next 30 days, higher than 61% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in10.0.17763.9376Also 10.0.20348.5761, 10.0.26100.33650CVE List
Published13 Oct 2026Updated 23 Oct 2026CVE List

What fixes it

  • 10.0.17763.9376Windows Server 2019CVE List
  • 10.0.17763.9376Windows Server 2019 (Server Core installation)CVE List
  • 10.0.20348.5761Windows Server 2022CVE List
  • 10.0.26100.33650Windows Server 2025CVE List
  • 10.0.26100.33650Windows Server 2025 (Server Core installation)CVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Vendor and government advisories 1

Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.

Reports 1

1 outlet mention it. Reports are not confirmation; each links to its source.

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.

Text from CVE List

Affected versions 5

  • Windows Server 2019affected: 10.0.17763.0 before 10.0.17763.9376CVE List
  • Windows Server 2019 (Server Core installation)affected: 10.0.17763.0 before 10.0.17763.9376CVE List
  • Windows Server 2022affected: 10.0.20348.0 before 10.0.20348.5761CVE List
  • Windows Server 2025affected: 10.0.26100.0 before 10.0.26100.33650CVE List
  • Windows Server 2025 (Server Core installation)affected: 10.0.26100.0 before 10.0.26100.33650CVE List

References 1