Patch Repository

Windows 8.1 Enterprise Edition (x64) Patch Details
Patch Name Windows8.1-KB3087088-x64.msu
Patch Description Security Update for Windows 8.1 for x64-based Systems (KB3087088)
Bulletin Id MS15-105
Bulletin Title Vulnerability in Windows Hyper-V Could Allow Security Feature Bypass (3091287)
Severity Important
Location Path Windows8.1-KB3087088-x64.msu
Bulletin Summary This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow security feature bypass if an attacker runs a specially crafted application that could cause Windows Hyper-V to incorrectly apply access control list (ACL) configuration settings. Customers who have not enabled the Hyper-V role are not affected.
Superceding Bulletin Id MS16-045
Patch Release Date Apr 12, 2016

Affected Product Information

Product Name Service Pack Name
Windows 8.1 Enterprise Edition (x64)Windows 8.1 Gold (x64)
Windows 8.1 Home Basic Edition (x64)Windows 8.1 Gold (x64)
Windows 8.1 Home Premium Edition (x64)Windows 8.1 Gold (x64)
Windows 8.1 Professional Edition (x64)Windows 8.1 Gold (x64)
Windows 8.1 Starter Edition (x64)Windows 8.1 Gold (x64)
Windows 8.1 Ultimate Edition (x64)Windows 8.1 Gold (x64)
Update 1 for Windows 8.1 and Server 2012 R2 Windows 8.1 Update 1
Windows 8.1 (x64)Windows 8.1 Gold (x64)

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