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Category:   OS (Microsoft)  >   Microsoft Task Scheduler Vendors:   Microsoft
Microsoft Windows Task Scheduler Integrity Check Error Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1030820
SecurityTracker URL:
CVE Reference:   CVE-2014-4074   (Links to External Site)
Date:  Sep 9 2014
Impact:   Execution of arbitrary code via local system, Root access via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 8, 8.1, 2012, 2012 R2, RT, RT 8.1
Description:   A vulnerability was reported in Microsoft Windows Task Scheduler. A local user can obtain elevated privileges on the target system.

The Windows Task Scheduler does not properly check the integrity of tasks. A local user can run a specially crafted application to execute arbitrary code on the target system with Local System privileges.

James Forshaw of Context Information Security reported this vulnerability.

Impact:   A local user can obtain Local System privileges on the target system.
Solution:   The vendor has issued the following fixes:

Windows 8 for 32-bit Systems:

Windows 8 for x64-based Systems:

Windows 8.1 for 32-bit Systems:

Windows 8.1 for x64-based Systems:

Windows Server 2012:

Windows Server 2012 R2:

Windows Server 2012:

Windows Server 2012 R2:

A restart is required.

The Microsoft advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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