March 13, 2018—KB4088880 (Security-only update)

2018-03-1307:00:00

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March 13, 2018—KB4088880 (Security-only update)

Improvements and fixes

This security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:

Provides Spectre and Meltdown protection for 32-Bit (x86) and 64-Bit (x64) versions of Windows.
Provides security updates to the Microsoft Graphics component, Windows Kernel, Windows Shell, Windows Installer, and Windows Hyper-V.
For more information about the resolved security vulnerabilities, see the Security Update Guide.

Known issues in this update

Symptom	Workaround
Because of an issue that affects some versions of antivirus software, this fix applies only to computers on which the antivirus ISV updated the ALLOW REGKEY.	This issue is resolved in KB4093122. You no longer need the following ALLOW REGKEY to detect and be offered this update: HKEY_LOCAL_MACHINE"Subkey="SOFTWARE\Microsoft\Windows\CurrentVersion\QualityCompat\cadca5fe-87d3-4b96-b7fb-a231484277cc
After you install this update, you may receive a Stop error message that resembles the following when you log off the computer:

SESSION_HAS_VALID_POOL_ON_EXIT (ab)

| To resolve this issue, apply update KB4099468.

How to get this update

This update is now available for installation through WSUS. To get the standalone package for this update, go to the Microsoft Update Catalog website.File informationFor a list of the files that are provided in this update, download the file information for update 4088880.