CVE-2019-0627

Windows Security Feature Bypass Vulnerability

CVE-2019-0627 is fixed in 21 products on 1 platform, first by KB4487026, released February 12, 2019. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent
CVSS
5.3
Important
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0135
71st percentile

<p>A security feature bypass vulnerability exists in Windows which could allow an attacker to bypass Device Guard. An attacker who successfully exploited this vulnerability could circumvent a User Mode Code Integrity (UMCI) policy on the machine.</p> <p>To exploit the vulnerability, an attacker would first have to access the local machine, and then run a malicious program.</p> <p>The update addresses the vulnerability by correcting how Windows validates User Mode Code Integrity policies.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for 32-bit Systems 14393.2791 KB4487026 Feb 12, 2019
Windows 10 Version 1607 for x64-based Systems 14393.2791 KB4487026 Feb 12, 2019
Windows 10 Version 1703 for 32-bit Systems 15063.1631 KB4487020 Feb 12, 2019
Windows 10 Version 1703 for x64-based Systems 15063.1631 KB4487020 Feb 12, 2019
Windows 10 Version 1709 for 32-bit Systems 16299.967 KB4486996 Feb 12, 2019
Windows 10 Version 1709 for ARM64-based Systems 16299.967 KB4486996 Feb 12, 2019
Windows 10 Version 1709 for x64-based Systems 16299.967 KB4486996 Feb 12, 2019
Windows 10 Version 1803 for 32-bit Systems 17134.590 KB4487017 Feb 12, 2019
Windows 10 Version 1803 for ARM64-based Systems 17134.590 KB4487017 Feb 12, 2019
Windows 10 Version 1803 for x64-based Systems 17134.590 KB4487017 Feb 12, 2019
Windows 10 Version 1809 for 32-bit Systems 17763.316 KB4487044 Feb 12, 2019
Windows 10 Version 1809 for ARM64-based Systems 17763.316 KB4487044 Feb 12, 2019
Windows 10 Version 1809 for x64-based Systems 17763.316 KB4487044 Feb 12, 2019
Windows 10 for 32-bit Systems 10240.18132 KB4487018 Feb 12, 2019
Windows 10 for x64-based Systems 10240.18132 KB4487018 Feb 12, 2019
Windows Server 2016 14393.2791 KB4487026 Feb 12, 2019
Windows Server 2016 (Server Core installation) 14393.2791 KB4487026 Feb 12, 2019
Windows Server 2019 17763.316 KB4487044 Feb 12, 2019
Windows Server 2019 (Server Core installation) 17763.316 KB4487044 Feb 12, 2019
Windows Server, version 1709 (Server Core Installation) 16299.967 KB4486996 Feb 12, 2019
Windows Server, version 1803 (Server Core Installation) 17134.590 KB4487017 Feb 12, 2019

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