Microsoft Security Bulletin MS16-082 - Important

Security Update for Microsoft Windows Search Component (3165270)

Published: June 14, 2016

Version: 1.0

Executive Summary

This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow denial of service if an attacker logs on to a target system and runs a specially crafted application.

This security update is rated Important for all supported editions of Windows 7, Windows Server 2008 R2, Windows 8.1, Windows Server 2012, Windows Server 2012 R2, Windows RT 8.1, and Windows 10. For more information, see the Affected Software and Vulnerability Severity Ratings section.

The update addresses the vulnerability by correcting how the Windows Search component handles objects in memory. For more information about the vulnerability, see the Vulnerability Information section.

For more information about this update, see Microsoft Knowledge Base Article 3165270.

Affected Software and Vulnerability Severity Ratings

The following software versions or editions are affected. Versions or editions that are not listed are either past their support life cycle or are not affected. To determine the support life cycle for your software version or edition, see Microsoft Support Lifecycle.

The severity ratings indicated for each affected software assume the potential maximum impact of the vulnerability. For information regarding the likelihood, within 30 days of this security bulletin’s release, of the exploitability of the vulnerability in relation to its severity rating and security impact, please see the Exploitability Index in the June bulletin summary.

Operating System Windows Search Component Denial of Service Vulnerability - CVE-2016-3230 Updates Replaced*
Windows 7
Windows 7 for 32-bit Systems Service Pack 1 (3161958) Important  Denial of Service None
Windows 7 for x64-based Systems Service Pack 1 (3161958) Important  Denial of Service None
Windows Server 2008 R2
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (3161958) Important  Denial of Service None
Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 (3161958) Important  Denial of Service None
Windows 8.1
Windows 8.1 for 32-bit Systems (3161958) Important  Denial of Service None
Windows 8.1 for x64-based Systems (3161958) Important  Denial of Service None
Windows Server 2012 and Windows Server 2012 R2
Windows Server 2012 (3161958) Important  Denial of Service None
Windows Server 2012 R2 (3161958) Important  Denial of Service None
Windows RT 8.1
Windows RT 8.1[1](3161958) Important  Denial of Service None
Windows 10
Windows 10 for 32-bit Systems[2](3163017) Important  Denial of Service 3156387
Windows 10 for x64-based Systems[2](3163017) Important  Denial of Service 3156387
Windows 10 Version 1511 for 32-bit Systems[2](3163018) Important  Denial of Service 3156421
Windows 10 Version 1511 for x64-based Systems[2](3163018) Important  Denial of Service 3156421
Server Core installation option
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (3161958) Important  Denial of Service None
Windows Server 2012 (Server Core installation) (3161958) Important  Denial of Service None
Windows Server 2012 R2 (Server Core installation) (3161958) Important  Denial of Service None

[1]This update is only available via Windows Update.

[2]Windows 10 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10, in addition to non-security updates. The updates are available via the Microsoft Update Catalog.

Note Windows Server Technical Preview 5 is affected. Customers running this operating system are encouraged to apply the update, which is available via Windows Update.

*The Updates Replaced column shows only the latest update in any chain of superseded updates. For a comprehensive list of updates replaced, go to the Microsoft Update Catalog, search for the update KB number, and then view update details (updates replaced information is provided on the Package Details tab).

Update FAQ

**Does this update contain any additional security-related changes to functionality? ** In addition to the changes that are listed for the vulnerabilities described in this bulletin, this update includes defense-in-depth updates to help improve credential protection and domain authentication controls to reduce credential theft.

Vulnerability Information

Windows Search Component Denial of Service Vulnerability - CVE-2016-3230

This vulnerability occurs when the Windows Search component fails to properly handle certain objects in memory. An attacker who successfully exploited this vulnerability could cause server performance to degrade sufficiently to cause a denial of service condition. To exploit this vulnerability, an attacker could use it to cause a denial of service attack and disrupt server availability. The update addresses the vulnerability by correcting how the Windows Search component handles objects in memory.

The following table contains links to the standard entry for each vulnerability in the Common Vulnerabilities and Exposures list:

Vulnerability Title CVE number Publicly disclosed Exploited
Windows Search Component Denial of Service Vulnerability CVE-2016-3230 Yes No

Mitigating Factors

Microsoft has not identified any mitigating factors for this vulnerability.

Workarounds

Microsoft has not identified any workarounds for this vulnerability.

Security Update Deployment

For Security Update Deployment information, see the Microsoft Knowledge Base article referenced here in the Executive Summary.

Acknowledgments

Microsoft recognizes the efforts of those in the security community who help us protect customers through coordinated vulnerability disclosure. See Acknowledgments for more information.

Disclaimer

The information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

Revisions

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