August 8, 2017—KB4034665 (Monthly Rollup)

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

7.1 High

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

0.958 High

EPSS

Percentile

99.4%

JSON

August 8, 2017—KB4034665 (Monthly Rollup)

Improvements and fixes

This security update includes improvements and fixes that were a part of update KB4025332 (released July 18, 2017) and resolves the following issues:

Security updates to Windows Hyper-V, Windows kernel-mode drivers, Microsoft JET Database Engine, Microsoft Windows PDF Library, Common Log File System Driver, Volume Manager Driver, Internet Explorer, Microsoft Windows Search Component, and Windows Server.
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 will be downloaded and installed automatically from Windows Update. 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 4034665.