{"schema_version":1,"title":"Microsoft Active Directory Federation Services vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 10 vulnerabilities in Microsoft Active Directory Federation Services: 0 in the last 7 days and 10 in the last 90 days, 1 of them critical and 1 exploited in the wild. The most recent, CVE-2026-72978, was published on 8 September 2026.","url":"https://junglewise.ai/threats/technologies/active-directory-federation-services","json_url":"https://junglewise.ai/threats/technologies/active-directory-federation-services.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/active-directory-federation-services","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":7,"all_time":10,"critical":1,"exploited":1,"last_7_days":0,"last_30_days":1,"last_90_days":10,"last_365_days":10},"latest":[{"cve":"CVE-2026-72978","cvss":5.9,"epss":0.0098,"slug":"cve-2026-72978-microsoft-active-directory-federation-services-resource","title":"Microsoft Active Directory Federation Services resource exhaustion denial of service","severity":"medium","exploited":false,"published_at":"2026-09-08T18:20:24.13+00:00","url":"https://junglewise.ai/threats/cve-2026-72978-microsoft-active-directory-federation-services-resource"},{"cve":"CVE-2026-50647","cvss":7.5,"slug":"cve-2026-50647-microsoft-ad-fs-denial-of-service-via-infinite-loop","title":"Microsoft AD FS denial of service via infinite loop","severity":"high","exploited":false,"published_at":"2026-07-14T18:17:58.743+00:00","url":"https://junglewise.ai/threats/cve-2026-50647-microsoft-ad-fs-denial-of-service-via-infinite-loop"},{"cve":"CVE-2026-50411","cvss":7.5,"slug":"cve-2026-50411-microsoft-ad-fs-stack-based-buffer-overflow-denial-of-service","title":"Microsoft AD FS stack-based buffer overflow denial of service","severity":"high","exploited":false,"published_at":"2026-07-14T18:17:43.937+00:00","url":"https://junglewise.ai/threats/cve-2026-50411-microsoft-ad-fs-stack-based-buffer-overflow-denial-of-service"},{"cve":"CVE-2026-50368","cvss":7.5,"slug":"cve-2026-50368-microsoft-active-directory-federation-services-stack-overflow","title":"Microsoft Active Directory Federation Services stack overflow denial of service","severity":"high","exploited":false,"published_at":"2026-07-14T18:17:37.523+00:00","url":"https://junglewise.ai/threats/cve-2026-50368-microsoft-active-directory-federation-services-stack-overflow"},{"cve":"CVE-2026-50355","cvss":7.5,"slug":"cve-2026-50355-microsoft-active-directory-federation-services-stack-buffer","title":"Microsoft Active Directory Federation Services stack buffer overflow","severity":"high","exploited":false,"published_at":"2026-07-14T18:17:35.49+00:00","url":"https://junglewise.ai/threats/cve-2026-50355-microsoft-active-directory-federation-services-stack-buffer"},{"cve":"CVE-2026-50324","cvss":5.9,"slug":"cve-2026-50324-microsoft-ad-fs-infinite-loop-denial-of-service","title":"Microsoft AD FS infinite loop denial of service","severity":"medium","exploited":false,"published_at":"2026-07-14T18:17:31.277+00:00","url":"https://junglewise.ai/threats/cve-2026-50324-microsoft-ad-fs-infinite-loop-denial-of-service"},{"cve":"CVE-2026-50304","cvss":7.5,"slug":"cve-2026-50304-microsoft-active-directory-federation-services-stack-overflow-dos","title":"Microsoft Active Directory Federation Services stack overflow DoS","severity":"high","exploited":false,"published_at":"2026-07-14T18:17:28.22+00:00","url":"https://junglewise.ai/threats/cve-2026-50304-microsoft-active-directory-federation-services-stack-overflow-dos"},{"cve":"CVE-2026-56155","cvss":7.8,"slug":"cve-2026-56155-microsoft-ad-fs-privilege-escalation-via-insufficient-access","title":"Microsoft AD FS privilege escalation via insufficient access control granularity","severity":"critical","exploited":true,"published_at":"2026-07-14T17:17:09.763+00:00","url":"https://junglewise.ai/threats/cve-2026-56155-microsoft-ad-fs-privilege-escalation-via-insufficient-access"},{"cve":"CVE-2026-54983","cvss":7.5,"slug":"cve-2026-54983-microsoft-ad-fs-stack-based-buffer-overflow-denial-of-service","title":"Microsoft AD FS stack-based buffer overflow denial of service","severity":"high","exploited":false,"published_at":"2026-07-14T17:17:05.833+00:00","url":"https://junglewise.ai/threats/cve-2026-54983-microsoft-ad-fs-stack-based-buffer-overflow-denial-of-service"},{"cve":"CVE-2026-50695","cvss":7.5,"slug":"cve-2026-50695-microsoft-active-directory-federation-services-stack-overflow","title":"Microsoft Active Directory Federation Services stack overflow denial of service","severity":"high","exploited":false,"published_at":"2026-07-14T17:17:02.493+00:00","url":"https://junglewise.ai/threats/cve-2026-50695-microsoft-active-directory-federation-services-stack-overflow"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":1,"exploited":1,"vulnerabilities":9},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Microsoft Windows","slug":"windows-","vulnerabilities":977,"url":"https://junglewise.ai/threats/technologies/windows-"},{"name":"Microsoft Windows 10","slug":"windows-10","vulnerabilities":588,"url":"https://junglewise.ai/threats/technologies/windows-10"},{"name":"Microsoft Windows 11","slug":"windows-11","vulnerabilities":493,"url":"https://junglewise.ai/threats/technologies/windows-11"},{"name":"Microsoft Windows Server 2012","slug":"windows-server-2012","vulnerabilities":293,"url":"https://junglewise.ai/threats/technologies/windows-server-2012"},{"name":"Microsoft Windows Server 2016","slug":"windows-server-2016","vulnerabilities":213,"url":"https://junglewise.ai/threats/technologies/windows-server-2016"},{"name":"Microsoft Windows Server 2019","slug":"windows-server-2019","vulnerabilities":211,"url":"https://junglewise.ai/threats/technologies/windows-server-2019"},{"name":"Microsoft Windows 11 24h2","slug":"windows-11-24h2","vulnerabilities":192,"url":"https://junglewise.ai/threats/technologies/windows-11-24h2"},{"name":"Microsoft Windows Server 2022","slug":"windows-server-2022","vulnerabilities":178,"url":"https://junglewise.ai/threats/technologies/windows-server-2022"},{"name":"Microsoft Edge","slug":"edge-chromium-based","vulnerabilities":168,"url":"https://junglewise.ai/threats/technologies/edge-chromium-based"},{"name":"Microsoft Windows 11 25h2","slug":"windows-11-25h2","vulnerabilities":161,"url":"https://junglewise.ai/threats/technologies/windows-11-25h2"},{"name":"Microsoft Windows 11 Version 26H1","slug":"windows-11-version-26h1","vulnerabilities":135,"url":"https://junglewise.ai/threats/technologies/windows-11-version-26h1"},{"name":"Microsoft Windows Server 2025","slug":"windows-server-2025","vulnerabilities":124,"url":"https://junglewise.ai/threats/technologies/windows-server-2025"}],"technology":{"hub":true,"name":"Microsoft Active Directory Federation Services","slug":"active-directory-federation-services","vendor":{"name":"Microsoft","slug":"microsoft","url":"https://junglewise.ai/threats/vendors/microsoft"},"aliases":[],"category":"software-suite","homepage":"https://learn.microsoft.com/en-us/windows-server/identity/ad-fs/ad-fs-overview","description":"A software component that provides single sign-on access to systems and applications located across organizational boundaries.","url":"https://junglewise.ai/threats/technologies/active-directory-federation-services"},"most_severe":[{"cve":"CVE-2026-56155","cvss":7.8,"slug":"cve-2026-56155-microsoft-ad-fs-privilege-escalation-via-insufficient-access","title":"Microsoft AD FS privilege escalation via insufficient access control granularity","severity":"critical","exploited":true,"published_at":"2026-07-14T17:17:09.763+00:00","url":"https://junglewise.ai/threats/cve-2026-56155-microsoft-ad-fs-privilege-escalation-via-insufficient-access"},{"cve":"CVE-2026-50647","cvss":7.5,"slug":"cve-2026-50647-microsoft-ad-fs-denial-of-service-via-infinite-loop","title":"Microsoft AD FS denial of service via infinite loop","severity":"high","exploited":false,"published_at":"2026-07-14T18:17:58.743+00:00","url":"https://junglewise.ai/threats/cve-2026-50647-microsoft-ad-fs-denial-of-service-via-infinite-loop"},{"cve":"CVE-2026-50411","cvss":7.5,"slug":"cve-2026-50411-microsoft-ad-fs-stack-based-buffer-overflow-denial-of-service","title":"Microsoft AD FS stack-based buffer overflow denial of service","severity":"high","exploited":false,"published_at":"2026-07-14T18:17:43.937+00:00","url":"https://junglewise.ai/threats/cve-2026-50411-microsoft-ad-fs-stack-based-buffer-overflow-denial-of-service"},{"cve":"CVE-2026-50368","cvss":7.5,"slug":"cve-2026-50368-microsoft-active-directory-federation-services-stack-overflow","title":"Microsoft Active Directory Federation Services stack overflow denial of service","severity":"high","exploited":false,"published_at":"2026-07-14T18:17:37.523+00:00","url":"https://junglewise.ai/threats/cve-2026-50368-microsoft-active-directory-federation-services-stack-overflow"},{"cve":"CVE-2026-50355","cvss":7.5,"slug":"cve-2026-50355-microsoft-active-directory-federation-services-stack-buffer","title":"Microsoft Active Directory Federation Services stack buffer overflow","severity":"high","exploited":false,"published_at":"2026-07-14T18:17:35.49+00:00","url":"https://junglewise.ai/threats/cve-2026-50355-microsoft-active-directory-federation-services-stack-buffer"},{"cve":"CVE-2026-50304","cvss":7.5,"slug":"cve-2026-50304-microsoft-active-directory-federation-services-stack-overflow-dos","title":"Microsoft Active Directory Federation Services stack overflow DoS","severity":"high","exploited":false,"published_at":"2026-07-14T18:17:28.22+00:00","url":"https://junglewise.ai/threats/cve-2026-50304-microsoft-active-directory-federation-services-stack-overflow-dos"},{"cve":"CVE-2026-54983","cvss":7.5,"slug":"cve-2026-54983-microsoft-ad-fs-stack-based-buffer-overflow-denial-of-service","title":"Microsoft AD FS stack-based buffer overflow denial of service","severity":"high","exploited":false,"published_at":"2026-07-14T17:17:05.833+00:00","url":"https://junglewise.ai/threats/cve-2026-54983-microsoft-ad-fs-stack-based-buffer-overflow-denial-of-service"},{"cve":"CVE-2026-50695","cvss":7.5,"slug":"cve-2026-50695-microsoft-active-directory-federation-services-stack-overflow","title":"Microsoft Active Directory Federation Services stack overflow denial of service","severity":"high","exploited":false,"published_at":"2026-07-14T17:17:02.493+00:00","url":"https://junglewise.ai/threats/cve-2026-50695-microsoft-active-directory-federation-services-stack-overflow"},{"cve":"CVE-2026-72978","cvss":5.9,"epss":0.0098,"slug":"cve-2026-72978-microsoft-active-directory-federation-services-resource","title":"Microsoft Active Directory Federation Services resource exhaustion denial of service","severity":"medium","exploited":false,"published_at":"2026-09-08T18:20:24.13+00:00","url":"https://junglewise.ai/threats/cve-2026-72978-microsoft-active-directory-federation-services-resource"},{"cve":"CVE-2026-50324","cvss":5.9,"slug":"cve-2026-50324-microsoft-ad-fs-infinite-loop-denial-of-service","title":"Microsoft AD FS infinite loop denial of service","severity":"medium","exploited":false,"published_at":"2026-07-14T18:17:31.277+00:00","url":"https://junglewise.ai/threats/cve-2026-50324-microsoft-ad-fs-infinite-loop-denial-of-service"}],"generated_at":"2026-09-27T03:07:00.185062+00:00"}