{"id":"CVE-2026-72978","title":"Allocation of resources without limits or throttling in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.","summary":"Allocation of resources without limits or throttling in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-770"],"vendor":"Microsoft","product":"Windows 10 Version 1607","affected":["windows_10_version_1607 >= 10.0.14393.0 < 10.0.14393.9512","windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.9245","windows_server_2012 >= 6.2.9200.0 < 6.2.9200.26349","windows_server_2012_server_core_installation >= 6.2.9200.0 < 6.2.9200.26349","windows_server_2012_r2 >= 6.3.9600.0 < 6.3.9600.23397","windows_server_2012_r2_server_core_installation >= 6.3.9600.0 < 6.3.9600.23397","windows_server_2016 >= 10.0.14393.0 < 10.0.14393.9512","windows_server_2016_server_core_installation >= 10.0.14393.0 < 10.0.14393.9512","windows_server_2019 >= 10.0.17763.0 < 10.0.17763.9245","windows_server_2019_server_core_installation >= 10.0.17763.0 < 10.0.17763.9245","windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5622","windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33438","windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33438"],"published":"2026-09-08","updated":"2026-09-08","sourceUpdated":"2026-09-08T19:19:35.243","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-72978","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72978","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-08T18:24:28.870161Z"},"ingestedAt":"2026-09-08T19:08:49.625Z","epss":0.00802,"epssPercentile":0.54697,"slug":"CVE-2026-72978","body":"## Overview\n\nAllocation of resources without limits or throttling in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":33,"depthScoreParts":{"impact":32.5,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}