spectre variant 1 remains unpatched in IE - microsoft forgot Win 8.1 is supported.

https://blogs.windows.com/msedgedev...mitigations-microsoft-edge-internet-explorer/

Patched in Win10 only.

confirmed by this output on my Win 8.1 system

Code:

CPU                                : Intel(R) Core(TM) i5-8600K CPU @ 3.60GHz
OperatingSystem                    : Microsoft Windows 8.1 Pro
OSReleaseId                        :
isHyperV                           : False
isTerminalServer                   : False
isDocker                           : True
CVE-2017-5754 mitigated            : True
CVE-2017-5715 mitigated            : False
CVE-2017-5753 mitigated in Edge    :
CVE-2017-5753 mitigated in IE      : False
CVE-2017-5753 mitigated in Chrome  : True
CVE-2017-5753 mitigated in Firefox : False
BTIHardwarePresent                 : False
BTIWindowsSupportPresent           : True
BTIWindowsSupportEnabled           : False
BTIDisabledBySystemPolicy          : False
BTIDisabledByNoHardwareSupport     : True
KVAShadowRequired                  : True
KVAShadowWindowsSupportPresent     : True
KVAShadowWindowsSupportEnabled     : True
KVAShadowPcidEnabled               : True
OSMitigationRegKeySet              :
AVCompatibility                    : False
MinVmVersionForCpuBasedMitigations :
InstalledUpdates                   : {@{HotFixId=KB2894852; Description=Security Update; InstalledOn=10/01/2016
                                     00:00:00; ComputerName=CHRIS-PC}, @{HotFixId=KB2898847_BF; Description=Security
                                     Update; InstalledOn=06/02/2016 00:00:00; ComputerName=CHRIS-PC},
                                     @{HotFixId=KB2898850_BF; Description=Security Update; InstalledOn=06/02/2016
                                     00:00:00; ComputerName=CHRIS-PC},
                                     @{HotFixId=KB2899189_Microsoft-Windows-CameraCodec-Package; Description=Update;
                                     InstalledOn=06/02/2016 00:00:00; ComputerName=CHRIS-PC}...}
Uptime                             : 01:06:32.7851234
ExecutionDate                      : 31/03/2018