Microsoft Exchange Server (September 2026)

critical Nessus Plugin ID 343866

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Version 1.5 Sep 16, 2026, 6:23 PM CVSS metrics ("CVSSv2 score" set to 9.4) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N") CVSSv2 score source (changed from "CVE-2026-69375" to "CVE-2026-69356") CVSSv2 severity (based on CVE-2026-69356, severity increased from "Medium" to "High") CVSSv3 score source (changed from "CVE-2026-69356" to none) Plugin Feed: 202609161823
Version 1.4 Sep 11, 2026, 9:51 PM Plugin metadata (Add IAVM Info) Plugin Feed: 202609112151
Version 1.3 Sep 11, 2026, 11:01 AM CVSSv3 score source (changed from "CVE-2026-69641" to "CVE-2026-69356") CVSS metrics ("CVSSv2 score" set to 6.8) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:S/C:N/I:C/A:N") CVSS metrics ("CVSSv3 score" set to 9.3) CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N") CVSSv2 score source (changed from "CVE-2026-69356" to "CVE-2026-69375") CVSSv2 severity (based on CVE-2026-69375, severity decreased from "High" to "Medium") Plugin Feed: 202609111101
Version 1.2 Sep 10, 2026, 3:20 PM CVSS metrics ("CVSSv2 score" set to 9.4) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N") CVSS metrics ("CVSSv3 score" set to 9.1) CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H") 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-2026-55007" to "CVE-2026-69356") CVSSv3 score source (set to "CVE-2026-69641") Exploit attributes ("Exploit available" set to "False") Exploit attributes ("Exploitability ease" set to "No known exploits are available") Plugin Feed: 202609101520
Version 1.1 Sep 9, 2026, 2:39 AM New Plugin Feed: 202609090239

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