August 8, 2017—KB4034666 (Security-only update)

2017-08-0807:00:00

Microsoft

support.microsoft.com

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

6.7 Medium

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.723 High

EPSS

Percentile

98.0%

JSON

August 8, 2017—KB4034666 (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:

Security updates to Microsoft Windows Search Component, and Windows kernel-mode drivers.
For more information about the resolved security vulnerabilities, see the Security Update Guide.

Known issues in this update

Symptom	Workaround
Japanese IME may hang in certain scenarios.	Install KB2960837.
The WordPad application can sometimes crash on launch after installing KB4025341.	Microsoft is working on a resolution and will provide an update in an upcoming release.

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 4034666.