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Category:   OS (Microsoft)  >   Windows Kernel Vendors:   Microsoft
Windows Kernel-Mode Drivers Object Access Error Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1034982
SecurityTracker URL:  http://securitytracker.com/id/1034982
CVE Reference:   CVE-2016-0048   (Links to External Site)
Updated:  Feb 10 2016
Original Entry Date:  Feb 9 2016
Impact:   Root access via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Vista SP2, 2008 SP2, 7 SP1, 2008 R2 SP1, 8, 8.1, 2012, 2012 R2, RT 8.1, 10; and prior service packs
Description:   A vulnerability was reported in Windows Kernel-Mode Drivers. A local user can obtain elevated privileges on the target system.

A local user can run a specially crafted program to trigger a memory object access error in 'Win32k.sys' and gain elevated privileges on the target system.

fanxiaocao and pjf of Qihoo 360 reported this vulnerability.

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

Windows Vista Service Pack 2:

https://www.microsoft.com/downloads/details.aspx?familyid=b2c447bf-1ee1-4202-ae99-7ef742e1e291

Windows Vista x64 Edition Service Pack 2:

https://www.microsoft.com/downloads/details.aspx?familyid=2c4e229b-a069-49c9-901c-b3b57e10e555

Windows Server 2008 for 32-bit Systems Service Pack 2:

https://www.microsoft.com/downloads/details.aspx?familyid=9546553f-0a2f-407e-8e5c-e59364b73084

Windows Server 2008 for x64-based Systems Service Pack 2:

https://www.microsoft.com/downloads/details.aspx?familyid=b2507c0e-4a30-4a73-9b61-b3e35700c957

Windows Server 2008 for Itanium-based Systems Service Pack 2:

https://www.microsoft.com/downloads/details.aspx?familyid=c2c80cc5-da35-48e4-96ec-07477a920225

Windows 7 for 32-bit Systems Service Pack 1:

https://www.microsoft.com/downloads/details.aspx?familyid=d7ee0a71-f857-4ca5-90a1-bbfa84772707

Windows 7 for x64-based Systems Service Pack 1:

https://www.microsoft.com/downloads/details.aspx?familyid=46c35bea-7603-4312-92c6-4f06c09603a7

Windows Server 2008 R2 for x64-based Systems Service Pack 1:

https://www.microsoft.com/downloads/details.aspx?familyid=7d686d53-4657-4404-a443-a26f76680e6a

Windows Server 2008 R2 for Itanium-based Systems Service Pack 1:

https://www.microsoft.com/downloads/details.aspx?familyid=0d1dc6db-75b0-4485-9a70-516625913b45

Windows 8.1 for 32-bit Systems:

https://www.microsoft.com/downloads/details.aspx?familyid=e5c9d44c-e3c2-4e10-9be5-b82bb773f997

Windows 8.1 for x64-based Systems:

https://www.microsoft.com/downloads/details.aspx?familyid=d40ff4f1-65da-4bea-841b-8e183534aa78

Windows 10 for 32-bit Systems:

https://support.microsoft.com/kb/3135174

Windows 10 for x64-based Systems:

https://support.microsoft.com/kb/3135174

Windows 10 Version 1511 for 32-bit Systems:

https://support.microsoft.com/kb/3135173

Windows 10 Version 1511 for x64-based Systems:

https://support.microsoft.com/kb/3135173

The Microsoft advisory is available at:

https://technet.microsoft.com/library/security/ms16-018

Vendor URL:  technet.microsoft.com/library/security/ms16-018 (Links to External Site)
Cause:   Access control error

Message History:   None.


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