{"revision":"223de8441d4a42b4a34f79fc42f8d4df","evidence":{"cve":"CVE-2023-21529","kev":{"cve":"CVE-2023-21529","product":"Exchange Server","name":"Microsoft Exchange Server Deserialization of Untrusted Data Vulnerability","dateAdded":"2026-04-13","dueDate":"2026-04-27","knownRansomwareUse":true,"shortDescription":"Microsoft Exchange Server contains a deserialization of untrusted data that allows an authenticated attacker to achieve remote code execution.","vendor":"Microsoft","isMicrosoft":true,"products":[],"advisoryUrl":null,"publicExploit":null,"msrcUrl":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21529","cisaUrl":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-21529"},"epss":null,"observedAt":"2026-10-23T16:01:26.7735792+00:00","kevRetained":false,"reviewIdentity":"2c01c075613ff9861bbb29df"}}