Microsoft April 2018 Patch Tuesday

Microsoft today patched 66 different vulnerablities. In addition, Adobe patched 6 vulnerabilities in Adobe Flash.

24 of the vulnerabilities are characterized as "Critical" by Microsoft, and 42 are considered "Important"

Among all these vulnerabilities, there are a couple that stick out:

CVE-2018-1034: This one has already been made public before the patch was released. It is a XSS vulnerability in Sharepoint. XSS vulnerabilities in Sharepoint are very common and are patched pretty much every month.

CVE-2018-0956: Interesting because it affects HTTP/2. We have not yet seen many vulnerabilities in HTTP/2 implementations, but as people start deploying it more, I expect to see more vulnerabilities. HTTP.sys, the vulnerable component patched here, implements HTTP for Microsoft's web server (IIS).

CVE-2018-0986: This vulnerability in Microsoft's Malware Protection Engine was patched last week.

CVE-2018-0976: A denial of service in RDP, which is often exposed to the network.

CVE-2018-0967: Same for SNMP.

Description
CVE	Disclosed	Exploited	Exploitability (old versions)	current version	Severity
Microsoft Office Graphics Component Code Execution Vulnerability
CVE-2018-1028	No	No	More Likely	More Likely	Important
Active Directory Security Feature Bypass Vulnerability
CVE-2018-0890	No	No	-	-	Important
April 2018 Adobe Flash Security Update
ADV180007	No	No	-	-	Critical
Chakra Scripting Engine Memory Corruption Vulnerability
CVE-2018-0990	No	No	-	-	Critical
CVE-2018-0993	No	No	-	-	Critical
CVE-2018-0994	No	No	-	-	Critical
CVE-2018-0995	No	No	-	-	Critical
CVE-2018-0979	No	No	-	-	Critical
CVE-2018-0980	No	No	-	-	Critical
CVE-2018-1019	No	No	-	-	Critical
Device Guard Security Feature Bypass Vulnerability
CVE-2018-0966	No	No	Less Likely	Less Likely	Important
HTTP.sys Denial of Service Vulnerability
CVE-2018-0956	No	No	Unlikely	Unlikely	Important
Hyper-V Information Disclosure Vulnerability
CVE-2018-0957	No	No	-	-	Important
CVE-2018-0964	No	No	-	-	Important
Internet Explorer Memory Corruption Vulnerability
CVE-2018-0991	No	No	More Likely	More Likely	Critical
CVE-2018-0997	No	No	Less Likely	Less Likely	Important
CVE-2018-0870	No	No	More Likely	More Likely	Critical
CVE-2018-1018	No	No	More Likely	More Likely	Critical
CVE-2018-1020	No	No	More Likely	More Likely	Critical
Microsoft Browser Memory Corruption Vulnerability
CVE-2018-1023	No	No	-	-	Critical
Microsoft DirectX Graphics Kernel Subsystem Elevation of Privilege Vulnerability
CVE-2018-1009	No	No	Less Likely	Less Likely	Important
Microsoft Edge Information Disclosure Vulnerability
CVE-2018-0892	No	No	-	-	Important
CVE-2018-0998	No	No	-	-	Important
Microsoft Excel Remote Code Execution Vulnerability
CVE-2018-0920	No	No	More Likely	More Likely	Important
CVE-2018-1011	No	No	More Likely	More Likely	Important
CVE-2018-1027	No	No	More Likely	More Likely	Important
CVE-2018-1029	No	No	More Likely	More Likely	Important
Microsoft Graphics Component Denial of Service Vulnerability
CVE-2018-8116	No	No	Unlikely	Unlikely	Moderate
Microsoft Graphics Remote Code Execution Vulnerability
CVE-2018-1010	No	No	More Likely	More Likely	Critical
CVE-2018-1012	No	No	Less Likely	Less Likely	Critical
CVE-2018-1013	No	No	More Likely	More Likely	Critical
CVE-2018-1015	No	No	More Likely	More Likely	Critical
CVE-2018-1016	No	No	More Likely	More Likely	Critical
Microsoft JET Database Engine Remote Code Execution Vulnerability
CVE-2018-1003	No	No	More Likely	More Likely	Important
Microsoft Malware Protection Engine Remote Code Execution Vulnerability
CVE-2018-0986	No	No	Less Likely	Less Likely	Critical
Microsoft Office Information Disclosure Vulnerability
CVE-2018-0950	No	No	More Likely	More Likely	Important
CVE-2018-1007	No	No	Less Likely	Less Likely	Important
Microsoft Office Remote Code Execution Vulnerability
CVE-2018-1026	No	No	More Likely	More Likely	Important
CVE-2018-1030	No	No	More Likely	More Likely	Important
Microsoft SharePoint Elevation of Privilege Vulnerability
CVE-2018-1032	No	No	Unlikely	Unlikely	Important
CVE-2018-1005	No	No	Unlikely	Unlikely	Important
CVE-2018-1014	No	No	Unlikely	Unlikely	Important
CVE-2018-1034	Yes	No	Unlikely	Unlikely	Important
Microsoft Visual Studio Information Disclosure Vulnerability
CVE-2018-1037	No	No	Unlikely	Unlikely	Important
Microsoft Wireless Keyboard 850 Security Feature Bypass Vulnerability
CVE-2018-8117	No	No	Less Likely	Less Likely	Important
OpenType Font Driver Elevation of Privilege Vulnerability
CVE-2018-1008	No	No	More Likely	More Likely	Important
Scripting Engine Information Disclosure Vulnerability
CVE-2018-0987	No	No	More Likely	More Likely	Important
CVE-2018-0989	No	No	More Likely	More Likely	Important
CVE-2018-1000	No	No	More Likely	More Likely	Critical
CVE-2018-0981	No	No	More Likely	More Likely	Critical
Scripting Engine Memory Corruption Vulnerability
CVE-2018-0988	No	No	More Likely	More Likely	Critical
CVE-2018-0996	No	No	More Likely	More Likely	Critical
CVE-2018-1001	No	No	More Likely	More Likely	Important
Windows Kernel Elevation of Privilege Vulnerability
CVE-2018-0963	No	No	Less Likely	Less Likely	Important
Windows Kernel Information Disclosure Vulnerability
CVE-2018-0887	No	No	Less Likely	Less Likely	Important
CVE-2018-0960	No	No	Less Likely	Less Likely	Important
CVE-2018-0968	No	No	Less Likely	Less Likely	Important
CVE-2018-0969	No	No	Less Likely	Less Likely	Important
CVE-2018-0970	No	No	Less Likely	Less Likely	Important
CVE-2018-0971	No	No	More Likely	More Likely	Important
CVE-2018-0972	No	No	Less Likely	Less Likely	Important
CVE-2018-0973	No	No	More Likely	More Likely	Important
CVE-2018-0974	No	No	Less Likely	Less Likely	Important
CVE-2018-0975	No	No	Less Likely	Less Likely	Important
Windows Remote Desktop Protocol (RDP) Denial of Service Vulnerability
CVE-2018-0976	No	No	-	-	Important
Windows SNMP Service Denial of Service Vulnerability
CVE-2018-0967	No	No	Unlikely	Unlikely	Important
Windows VBScript Engine Remote Code Execution Vulnerability
CVE-2018-1004	No	No	More Likely	More Likely	Critical

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Johannes B. Ullrich, Ph.D. , Dean of Research, SANS Technology Institute
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Apr 10th 2018
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