Security Updates for Microsoft Exchange Server (June 2026)

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Version 1.4 Jun 22, 2026, 8:21 AM CVSS metrics ("CVSSv3 score" set to 8.1) CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H") CVSSv3 score source (changed from "CVE-2026-48579" to "CVE-2026-45583") Plugin Feed: 202606220821
Version 1.3 Jun 16, 2026, 8:07 AM CVSS metrics ("CVSSv2 score" set to 9.0) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C") CVSSv2 score source (changed from "CVE-2026-47631" to "CVE-2026-45504") Plugin Feed: 202606160807
Version 1.2 Jun 13, 2026, 4:13 PM Exploit attributes ("Exploitability ease" set to "Exploits are available") CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N") CISA reference Exploit attributes ("Exploit available" set to "True") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:F/RL:O/RC:C") CVSSv3 score source (changed from "CVE-2026-45583" to "CVE-2026-48579") CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:F/RL:OF/RC:C") Plugin Feed: 202606131613
Version 1.1 Jun 13, 2026, 2:05 AM New Plugin Feed: 202606130205

* Changelogs are generally available for changes made after Nov 1, 2022