CVE-2018-8544

Windows VBScript Engine Remote Code Execution Vulnerability

CVE-2018-8544 is fixed in 38 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
7.5
Critical
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.4756
98th percentile

<p>A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p>In a web-based attack scenario, an attacker could host a specially crafted website that is designed to exploit the vulnerability through Internet Explorer and then convince a user to view the website. An attacker could also embed an ActiveX control marked "safe for initialization" in an application or Microsoft Office document that hosts the IE rendering engine. The attacker could also take advantage of compromised websites and websites that accept or host user-provided content or advertisements. These websites could contain specially crafted content that could exploit the vulnerability.</p> <p>The security update addresses the vulnerability by modifying how the scripting engine handles objects in memory.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for 32-bit Systems 14393.2608 KB4467691 Nov 13, 2018
Windows 10 Version 1607 for x64-based Systems 14393.2608 KB4467691 Nov 13, 2018
Windows 10 Version 1703 for 32-bit Systems 15063.1446 KB4467696 Nov 13, 2018
Windows 10 Version 1703 for x64-based Systems 15063.1446 KB4467696 Nov 13, 2018
Windows 10 Version 1709 for 32-bit Systems 16299.785 KB4467686 Nov 13, 2018
Windows 10 Version 1709 for ARM64-based Systems 16299.785 KB4467686 Nov 13, 2018
Windows 10 Version 1709 for x64-based Systems 16299.785 KB4467686 Nov 13, 2018
Windows 10 Version 1803 for 32-bit Systems 17134.407 KB4467702 Nov 13, 2018
Windows 10 Version 1803 for ARM64-based Systems 17134.407 KB4467702 Nov 13, 2018
Windows 10 Version 1803 for x64-based Systems 17134.407 KB4467702 Nov 13, 2018
Windows 10 Version 1809 for 32-bit Systems 17763.134 KB4467708 Nov 13, 2018
Windows 10 Version 1809 for ARM64-based Systems 17763.134 KB4467708 Nov 13, 2018
Windows 10 Version 1809 for x64-based Systems 17763.134 KB4467708 Nov 13, 2018
Windows 10 for 32-bit Systems 10240.18036 KB4467680 Nov 13, 2018
Windows 10 for x64-based Systems 10240.18036 KB4467680 Nov 13, 2018
Windows 7 for 32-bit Systems Service Pack 1 KB4467107 Nov 13, 2018
Windows 7 for 32-bit Systems Service Pack 1 KB4467106 Nov 13, 2018
Windows 7 for x64-based Systems Service Pack 1 KB4467107 Nov 13, 2018
Windows 7 for x64-based Systems Service Pack 1 KB4467106 Nov 13, 2018
Windows 8.1 for 32-bit systems KB4467703 Nov 13, 2018
Windows 8.1 for 32-bit systems KB4467697 Nov 13, 2018
Windows 8.1 for x64-based systems KB4467703 Nov 13, 2018
Windows 8.1 for x64-based systems KB4467697 Nov 13, 2018
Windows RT 8.1 KB4467703 Nov 13, 2018
Windows RT 8.1 KB4467697 Nov 13, 2018
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 1709 (Server Core Installation) 16299.785 KB4467686 Nov 13, 2018
Windows Server, version 1803 (Server Core Installation) 17134.407 KB4467702 Nov 13, 2018