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Category:   OS (Microsoft)  >   Windows DLL (Any) Vendors:   Microsoft
Windows Error Reporting File Handling Bug Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1039102
SecurityTracker URL:  http://securitytracker.com/id/1039102
CVE Reference:   CVE-2017-8633   (Links to External Site)
Date:  Aug 8 2017
Impact:   User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 7 SP1, 2008 R2 SP1, 2008 SP2, 2012, 8.1, 2012 R2, RT 8.1, 10, 10 Version 1511, 2016, 10 Version 1607, 10 Version 1703
Description:   A vulnerability was reported in Windows Error Reporting. A local user can obtain elevated privileges on the target system.

A local user can run a specially crafted application to trigger a flaw in Windows Error Reporting (WER) in the handling and executing of files to gain elevated privileges on the target system.

Thomas Vanhoutte (via Trend Micro's Zero Day Initiative) reported this vulnerability.

Impact:   A local user can obtain elevated privileges on the target system.
Solution:   The vendor has issued a fix.

The Microsoft advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8633
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034660
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034668
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034679
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034666
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034658
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034664
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034672
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034674
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4035679
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034681
https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4034665

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8633 (Links to External Site)
Cause:   Access control error

Message History:   None.


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