{"api_version":"v1","generated_at":"2026-10-07T14:55:00+00:00","product":{"cve_count":1,"evidence_gap_note":"This CVE identity is linked to an existing Lifecycle product history.","id":"security:cve-microsoft-exchange-79e4ee4928e0","lifecycle_state":"covered","linked_lifecycle_url":"https://lifecycle.blacktree.nl/targets/msexchange","name":"Exchange","next_cursor":null,"observations":[{"affected":"Microsoft Exchange Server 2016 Cumulative Update 21: 15.01.0 < 15.01.2308.020; Microsoft Exchange Server 2016 Cumulative Update 22: 15.0.0 < 15.01.2375.017; Microsoft Exchange Server 2019 Cumulative Update 10: 15.02.0 < 15.02.0792.019; Microsoft Exchange Server 2019 Cumulative Update 11: 15.02.0 < 15.02.0986.014","affected_versions_present":true,"cve_id":"CVE-2021-42321","cve_url":"https://cve.blacktree.nl/cve/CVE-2021-42321","fixed":"An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.","last_modified":"2026-08-19T16:27:07.165Z","patch_url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42321","primary_source":"","published":"2021-11-10T00:47:43.000Z"}],"source_generated_at":"2026-10-07T06:21:30.017Z","vendor":"Microsoft"}}