{"id":"CVE-2026-50652","title":"Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to deny service over a network.","summary":"Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to deny service over a network.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-502"],"published":"2026-07-14","updated":"2026-07-16","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-50652","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50652","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.0173,"epssPercentile":0.76257,"ingestedAt":"2026-07-17T19:14:48.328Z","vendor":"Microsoft","product":"Azure Active Directory","affected":["azure_active_directory >= 2021 < 5.7.1",".net_framework_3.5 >= 3.5.0 < 2.0.50727.9182 & 3.0.30729.9168",".net_framework_3.5_and_4.7.2 >= 4.7.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0",".net_framework_3.5_and_4.8 >= 4.8.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0",".net_framework_3.5_and_4.8.1 >= 4.8.1 < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0",".net_framework_4.6.2_4.7_4.7.1_4.7.2 >= 4.7.0 < 4.7.4143.0",".net_framework_4.8 >= 4.8.0 < 4.8.4803.0",".net_framework_4.8.1 >= 4.8.0.0 < 4.8.9340.0"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-07-14T17:49:29.276505Z"},"slug":"CVE-2026-50652","body":"## Overview\n\nDeserialization of untrusted data in Azure Active Directory 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":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}