CVE-2017-11830

Device Guard Security Feature Bypass Vulnerability

CVE-2017-11830 is fixed in 13 products on 1 platform, first by KB4048952, released November 14, 2017. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.3
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0257
85th percentile

<p>A security feature bypass exists when Device Guard incorrectly validates an untrusted file. An attacker who successfully exploited this vulnerability could make an unsigned file appear to be signed. Because Device Guard relies on the signature to determine the file is non-malicious, Device Guard could then allow a malicious file to execute.</p> <p>In an attack scenario, an attacker could make an untrusted file appear to be a trusted file.</p> <p>The update addresses the vulnerability by correcting how Device Guard handles untrusted files.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1511 for 32-bit Systems 10586.1232 KB4048952 Nov 14, 2017
Windows 10 Version 1511 for x64-based Systems 10586.1232 KB4048952 Nov 14, 2017
Windows 10 Version 1607 for 32-bit Systems 14393.1884 KB4048953 Nov 14, 2017
Windows 10 Version 1607 for x64-based Systems 14393.1884 KB4048953 Nov 14, 2017
Windows 10 Version 1703 for 32-bit Systems KB4048954 Nov 14, 2017
Windows 10 Version 1703 for x64-based Systems KB4048954 Nov 14, 2017
Windows 10 Version 1709 for 32-bit Systems 16299.64 KB4048955 Nov 14, 2017
Windows 10 Version 1709 for x64-based Systems 16299.64 KB4048955 Nov 14, 2017
Windows 10 for 32-bit Systems 10240.17673 KB4048956 Nov 14, 2017
Windows 10 for x64-based Systems 10240.17673 KB4048956 Nov 14, 2017
Windows Server 2016 14393.1884 KB4048953 Nov 14, 2017
Windows Server 2016 (Server Core installation) 14393.1884 KB4048953 Nov 14, 2017
Windows Server, version 1709 (Server Core Installation) 16299.64 KB4048955 Nov 14, 2017

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