CVE-2018-8476

Windows Deployment Services TFTP Server Remote Code Execution Vulnerability

CVE-2018-8476 is fixed in 17 products on 1 platform, first by KB4467691, released November 13, 2018. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent
CVSS
8.1
Critical
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.6483
99th percentile

<p>A remote code execution vulnerability exists in the way that Windows Deployment Services TFTP Server handles objects in memory.</p> <p>An attacker who successfully exploited the vulnerability could execute arbitrary code with elevated permissions on a target system.</p> <p>To exploit the vulnerability, an attacker could create a specially crafted request, causing Windows to execute arbitrary code with elevated permissions.</p> <p>The security update addresses the vulnerability by correcting how Windows Deployment Services TFTP Server handles objects in memory.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 KB4467107 Nov 13, 2018
Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 KB4467106 Nov 13, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4467107 Nov 13, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4467106 Nov 13, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4467107 Nov 13, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4467106 Nov 13, 2018
Windows Server 2008 for 32-bit Systems Service Pack 2 KB4467706 Nov 13, 2018
Windows Server 2008 for 32-bit Systems Service Pack 2 KB4467700 Nov 13, 2018
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) KB4467706 Nov 13, 2018
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) KB4467700 Nov 13, 2018
Windows Server 2008 for Itanium-Based Systems Service Pack 2 KB4467706 Nov 13, 2018
Windows Server 2008 for Itanium-Based Systems Service Pack 2 KB4467700 Nov 13, 2018
Windows Server 2008 for x64-based Systems Service Pack 2 KB4467706 Nov 13, 2018
Windows Server 2008 for x64-based Systems Service Pack 2 KB4467700 Nov 13, 2018
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) KB4467706 Nov 13, 2018
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) KB4467700 Nov 13, 2018
Windows Server 2012 KB4467701 Nov 13, 2018
Windows Server 2012 KB4467678 Nov 13, 2018
Windows Server 2012 (Server Core installation) KB4467701 Nov 13, 2018
Windows Server 2012 (Server Core installation) KB4467678 Nov 13, 2018
Windows Server 2012 R2 KB4467703 Nov 13, 2018
Windows Server 2012 R2 KB4467697 Nov 13, 2018
Windows Server 2012 R2 (Server Core installation) KB4467703 Nov 13, 2018
Windows Server 2012 R2 (Server Core installation) KB4467697 Nov 13, 2018
Windows Server 2016 14393.2608 KB4467691 Nov 13, 2018
Windows Server 2016 (Server Core installation) 14393.2608 KB4467691 Nov 13, 2018
Windows Server 2019 17763.134 KB4467708 Nov 13, 2018
Windows Server 2019 (Server Core installation) 17763.134 KB4467708 Nov 13, 2018
Windows Server, version 1803 (Server Core Installation) 17134.407 KB4467702 Nov 13, 2018