{"id":"CVE-2026-50324","title":"Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.","summary":"Loop with unreachable exit condition ('infinite loop') 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-835"],"vendor":"microsoft","product":"windows_10_1607","affected":["windows_10_1607 < 10.0.14393.9339","windows_10_1809 < 10.0.17763.9020","windows_server_2012","windows_server_2012 = r2","windows_server_2016 < 10.0.14393.9339","windows_server_2019 < 10.0.17763.9020","windows_server_2022 < 10.0.20348.5386","windows_server_2025 < 10.0.26100.33158"],"patched":["windows_10_1607 10.0.14393.9339","windows_10_1809 10.0.17763.9020","windows_server_2016 10.0.14393.9339","windows_server_2019 10.0.17763.9020","windows_server_2022 10.0.20348.5386","windows_server_2025 10.0.26100.33158"],"published":"2026-07-14","updated":"2026-07-16","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-50324","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50324","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.00855,"epssPercentile":0.56802,"ingestedAt":"2026-07-17T20:15:43.124Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-07-14T20:36:27.424825Z"},"slug":"CVE-2026-50324","body":"## Overview\n\nLoop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.\n\n## Affected\n\n- `windows_10_1607 < 10.0.14393.9339`\n- `windows_10_1809 < 10.0.17763.9020`\n- `windows_server_2012`\n- `windows_server_2012 = r2`\n- `windows_server_2016 < 10.0.14393.9339`\n- `windows_server_2019 < 10.0.17763.9020`\n- `windows_server_2022 < 10.0.20348.5386`\n- `windows_server_2025 < 10.0.26100.33158`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `windows_10_1607 10.0.14393.9339`\n- `windows_10_1809 10.0.17763.9020`\n- `windows_server_2016 10.0.14393.9339`\n- `windows_server_2019 10.0.17763.9020`\n- `windows_server_2022 10.0.20348.5386`\n- `windows_server_2025 10.0.26100.33158`","depth":"sunlit","depthScore":33,"depthScoreParts":{"impact":32.5,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}