Change logs for security intelligence update version 1.463.147.0

This page lists newly added and updated threat detections included in security intelligence updates for Microsoft Defender Antivirus and other Microsoft antimalware. If you don’t find the latest security intelligence update version in the selector below, please refresh this page or let us know us know through the feedback smiley.

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Security intelligence update version

Released on

11/5/2026 10:55:46 PM

Added threat detections

Name	Severity
Behavior:MacOS/SuspCurlExec.DA	severe
Exploit:JS/CVE-2026-87491.LL!MTB	severe
Trojan:JS/GuLoader.EG!MTB	severe
Trojan:Win64/Vidar.GV!MTB	severe
Trojan:Win64/Yogi.YBC!MTB	severe

Updated threat detections

Name	Severity
Backdoor:MSIL/Nanocore!rfn	severe
Behavior:MacOS/SuspCurlExec.D	severe
Behavior:MacOS/SuspJxaExec.B	severe
Behavior:Win32/WalletThief.A	severe
HackTool:AndroidOS/Mesploit!rfn	high
HackTool:Win32/crack	high
HackTool:Win32/Patcher	high
Program:MacOS/Multiverze!rfn	high
Trojan:BAT/QakbotLNK!rfn	severe
Trojan:HTML/FakeAlert!MSR	severe
Trojan:HTML/ScrInject.C!AMTB	severe
Trojan:JS/AgentTesla!MTB	severe
Trojan:JS/Latrodectus!rfn	severe
Trojan:Linux/Multiverze!rfn	severe
Trojan:MSIL/Odbijen!rfn	severe
Trojan:NPM/Multiverze!rfn	severe
Trojan:O97M/DDownloader!rfn	severe
Trojan:PowerShell/DCRat.AQ!MTB	severe
Trojan:Python/Multiverze!rfn	severe
Trojan:Script/Multiverze!rfn	severe
Trojan:Win32/Alevaul!rfn	severe
Trojan:Win32/CoreWarrior.DA!MTB	severe
Trojan:Win32/DLLHijack!rfn	severe
Trojan:Win32/Dynamer!rfn	severe
Trojan:Win32/Egairtigado!rfn	severe
Trojan:Win32/Emali	severe
Trojan:Win32/Etset!rfn	severe
Trojan:Win32/FlyStudio.PGC!MTB	severe
Trojan:Win32/Kepavll!rfn	severe
Trojan:Win32/Leonem!rfn	severe
Trojan:Win32/Malgent	severe
Trojan:Win32/MereTam!rfn	severe
Trojan:Win32/PlugX!rfn	severe
Trojan:Win32/Qwexlafiba!rfn	severe
Trojan:Win32/Ravartar!rfn	severe
Trojan:Win32/SalatStealer!rfn	severe
Trojan:Win32/Seheq!rfn	severe
Trojan:Win32/Suschil!rfn	severe
Trojan:Win32/WinLNK.KK!MTB	severe
Trojan:Win32/Yomal!rfn	severe
Trojan:Win32/Znyonm!rfn	severe
Trojan:Win64/AcrStealer!rfn	severe
Trojan:Win64/BruteRat!rfn	severe
Trojan:Win64/CobaltStrike!rfn	severe
Trojan:Win64/DBadur!rfn	severe
Trojan:Win64/Donut!rfn	severe
Trojan:Win64/Dorgam!MTB	severe
Trojan:Win64/Emotetcrypt!rfn	severe
Trojan:Win64/Injector.MK!MTB	severe
Trojan:Win64/Lazy!rfn	severe
Trojan:Win64/Malgent!MSR	severe
Trojan:Win64/Resmus!rfn	severe
Trojan:Win64/XMRig.PA!MTB	severe
TrojanDownloader:Linux/Agent!AMTB	severe
TrojanDownloader:O97M/Emotet!rfn	severe
TrojanSpy:AndroidOS/Mploit!rfn	severe
VirTool:INF/Autorun!rfn	severe
VirTool:MSIL/Aikaantivm!rfn	severe
VirTool:Win32/Autorun!rfn	severe
VirTool:Win32/VBInject!rfn	severe