Security Updates for Microsoft Malware Protection Engine (July 2026)

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Version 1.3 Aug 11, 2026, 10:23 AM CVSSv2 score source (changed from "CVE-2026-55011" to "CVE-2026-55012") CVSSv3 score source (changed from "CVE-2026-55012" to none) Plugin Feed: 202608111023
Version 1.2 Jul 30, 2026, 11:45 AM 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") CVSSv3 score source (set to "CVE-2026-55012") Exploit attributes ("Exploit available" set to "False") Exploit attributes ("Exploitability ease" set to "No known exploits are available") Plugin Feed: 202607301145
Version 1.1 Jul 29, 2026, 3:16 PM New Plugin Feed: 202607291516

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