CVE-2026-72978

HighCVSS 7.5/10Last modified Sep 24, 2026

Description

Allocation of resources without limits or throttling in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1607>= 10.0.14393.0, < 10.0.14393.9512
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.9245
MicrosoftWindows Server 2012>= 6.2.9200.0, < 6.2.9200.26349
MicrosoftWindows Server 2012 (Server Core installation)>= 6.2.9200.0, < 6.2.9200.26349
MicrosoftWindows Server 2012 R2>= 6.3.9600.0, < 6.3.9600.23398
MicrosoftWindows Server 2012 R2 (Server Core installation)>= 6.3.9600.0, < 6.3.9600.23398
MicrosoftWindows Server 2016>= 10.0.14393.0, < 10.0.14393.9512
MicrosoftWindows Server 2016 (Server Core installation)>= 10.0.14393.0, < 10.0.14393.9512
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.9245
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.9245
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.5622
MicrosoftWindows Server 2025>= 10.0.26100.0, < 10.0.26100.33438
MicrosoftWindows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.33438

References

Timeline

Published
Sep 8, 2026
Last modified
Sep 24, 2026
NVD status
Analyzed

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CVE-2026-72978: High severity, CVSS 7.5 | Vulnix