Security Updates for Microsoft Exchange Server (August 2026)

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Version 1.4 Aug 24, 2026, 3:52 PM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:OF/RC:C") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:O/RC:C") Exploit attributes ("Exploit available" set to "True") Exploit attributes ("Exploitability ease" changed from "No known exploits are available" to "Exploits are available") Plugin Feed: 202608241552
Version 1.3 Aug 21, 2026, 11:26 PM 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") CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:U/RL:OF/RC:C") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:U/RL:O/RC:C") CVSSv2 score source (changed from "CVE-2026-62913" to "CVE-2026-65813") Exploit attributes ("Exploit available" set to "False") Exploit attributes ("Exploitability ease" set to "No known exploits are available") Plugin Feed: 202608212326
Version 1.2 Aug 14, 2026, 5:17 PM Plugin metadata (Add IAVM Info) Plugin Feed: 202608141717
Version 1.1 Aug 12, 2026, 1:09 AM New Plugin Feed: 202608120109

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