In this month, May 2017, Microsoft has published fifty six vulnerabilities in which more than thirty vulnerabilities are rated as critical. While classifying the vulnerabilities based on their severity, the high rated vulnerabilities are much higher than the medium rated and the lower rated vulnerabilities.

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Another important classification is based on their nature of exploitability, we find that locally exploited vulnerabilities are more in number than the remotely exploitable ones.

02
In contrast to the previous month, While classifying the vulnerabilities based on authentication, the vulnerabilities that does not require authentication are much higher than the vulnerabilities that require authentication.

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No CVE Number Vulnerability Type Affected Products
1 CVE-2017-0226 Memory Corruption Vulnerability Microsoft Internet Explorer 10
Microsoft Internet Explorer 11
2 CVE-2017-0064 Security Bypass Vulnerability Microsoft Internet Explorer 10
Microsoft Internet Explorer 11
Microsoft Internet Explorer 9
3 CVE-2017-0222 Memory Corruption Vulnerability Microsoft Internet Explorer 10
Microsoft Internet Explorer 11
4 CVE-2017-0221 Memory Corruption Vulnerability Microsoft Edge
5 CVE-2017-0240 Memory Corruption Vulnerability Microsoft Edge
6 CVE-2017-0224 Memory Corruption Vulnerability Microsoft Edge
7 CVE-2017-0229 Memory Corruption Vulnerability Microsoft Edge
8 CVE-2017-0230 Memory Corruption Vulnerability Microsoft Edge
9 CVE-2017-0234 Memory Corruption Vulnerability Microsoft Edge
10 CVE-2017-0235 Memory Corruption Vulnerability Microsoft Edge
11 CVE-2017-0236 Memory Corruption Vulnerability Microsoft Edge
12 CVE-2017-0227 Memory Corruption Vulnerability Microsoft Edge
13 CVE-2017-0266 Remote Code Execution Vulnerability Microsoft Edge
14 CVE-2017-0241 Privilege Escalation Vulnerability  Microsoft Edge
15 CVE-2017-0233 Privilege Escalation Vulnerability  Microsoft Edge
16 CVE-2017-0228 Memory Corruption Vulnerability Microsoft Edge
Microsoft Internet Explorer 11
17 CVE-2017-0238 Memory Corruption Vulnerability Microsoft Edge
Microsoft Internet Explorer 11
18 CVE-2017-0231 Privilege Escalation Vulnerability  Microsoft Edge
Microsoft Internet Explorer 11
19 CVE-2017-0281 Remote Code Execution Vulnerability Microsoft Office Web Apps Server 2013 SP1
Microsoft Office Web Apps Server 2010 SP2
Microsoft Office 2007 SP3
Microsoft Office 2010 SP2
Microsoft Office 2013 SP1
Microsoft Skype for Business 2016
Microsoft Word 2016
Microsoft SharePoint Foundation 2013 SP1
Microsoft SharePoint Server 2016
Microsoft SharePoint Enterprise Server 2013
Microsoft Project Server 2013 SP1
Microsoft Office 2016
Microsoft Office Online Server 2016
20 CVE-2017-0254 Memory Corruption Vulnerability Microsoft Word Viewer
Microsoft Word Automation Services
Microsoft Word 2016
Microsoft Word 2013 SP1
Microsoft Word 2013 RT SP1
Microsoft Word 2010 SP2
Microsoft Word 2007 SP3
Microsoft SharePoint Server 2016
Microsoft Office Web Apps Server 2013 SP1
Microsoft Office Web Apps Server 2010 SP2
Microsoft Office Compatibility Pack SP3
Microsoft Office 2010 SP2
21 CVE-2017-0261 Remote Code Execution Vulnerability Microsoft Office 2016
Microsoft Office 2013 SP1
Microsoft Office 2010 SP2
22 CVE-2017-0255 Security Bypass Vulnerability Microsoft SharePoint Foundation 2013 SP1
23 CVE-2017-0262 Remote Code Execution Vulnerability Microsoft Office 2013 Service Pack 1
Microsoft Office 2016
Microsoft Office 2010 Service Pack 2
Microsoft Office 2013 RT Service Pack 1
24 CVE-2017-0265 Memory Corruption Vulnerability Microsoft PowerPoint for Mac 2011
25 CVE-2017-0264 Memory Corruption Vulnerability Microsoft PowerPoint for Mac 2011
26 CVE-2017-0248 Remote Code Execution Vulnerability Microsoft .NET Framework 2.0 SP2
Microsoft .NET Framework 3.0 SP2
Microsoft .NET Framework 3.5
Microsoft .NET Framework 3.5.1
Microsoft .NET Framework 4.5.2
Microsoft .NET Framework 4.6
Microsoft .NET Framework 4.6.1
Microsoft .NET Framework 4.6.2
Microsoft .NET Framework 4.7
27 CVE-2017-0212 Privilege Escalation Vulnerability Microsoft Windows 10
Microsoft Windows Server 2016
28 CVE-2017-0272 Security Bypass Vulnerability Microsoft Windows 10
Microsoft Windows Server 2016
Microsoft Windows Server 2008 SP2
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2012 R2
Microsoft Windows 8.1
Microsoft Windows Server 2012
Microsoft Windows 7
Microsoft Windows RT 8.1
29 CVE-2017-0277 Remote Code Execution Vulnerability

Microsoft Windows 10
Microsoft Windows Server 2016
Microsoft Windows Server 2008 SP2
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2012 R2
Microsoft Windows 8.1
Microsoft Windows Server 2012
Microsoft Windows 7
Microsoft Windows RT 8.1

30 CVE-2017-0278 Remote Code Execution Vulnerability Microsoft Windows 10
Microsoft Windows 7 SP1
Microsoft Windows 8.1
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016

31 CVE-2017-0279 Remote Code Execution Vulnerability Microsoft Windows 10
Microsoft Windows 7
Microsoft Windows 8.1
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012

32 CVE-2017-0267 Information Disclosure Vulnerability Microsoft Windows 10
Microsoft Windows 7 SP1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012 R2

33 CVE-2017-0268 Information Disclosure Vulnerability Microsoft Windows 10
Microsoft Windows 7 SP1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016

34 CVE-2017-0270 Information Disclosure Vulnerability Microsoft Windows 10
Microsoft Windows 7 SP1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016
35 CVE-2017-0271 Information Disclosure Vulnerability Microsoft Windows 10
Microsoft Windows 7 SP1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016
36 CVE-2017-0274 Information Disclosure Vulnerability Microsoft Windows 10
Microsoft Windows 7 SP1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016
37 CVE-2017-0275 Information Disclosure Vulnerability Microsoft Windows 10
Microsoft Windows 7 SP1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016
38 CVE-2017-0276 Information Disclosure Vulnerability Microsoft Windows 10
Microsoft Windows 7 SP1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016
39 CVE-2017-0269 Denial of Service Vulnerability Microsoft Windows 10
Microsoft Windows 7 SP1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2

40 CVE-2017-0273 Denial of Service Vulnerability Microsoft Windows 10
Microsoft Windows Server 2016
Microsoft Windows Server 2008 SP2
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2012 R2
Microsoft Windows 8.1
Microsoft Windows Server 2012
Microsoft Windows 7
Microsoft Windows RT 8.1


41 CVE-2017-0280 Denial of Service Vulnerability Microsoft Windows 10
Microsoft Windows Server 2016
Microsoft Windows Server 2008 SP2
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2012 R2
Microsoft Windows 8.1
Microsoft Windows Server 2012
Microsoft Windows 7
Microsoft Windows RT 8.1
42 CVE-2017-0246 Privilege Escalation Vulnerability

Microsoft Windows 10
Microsoft Windows Server 2016
Microsoft Windows Server 2008 SP2
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2012 R2
Microsoft Windows 8.1
Microsoft Windows Server 2012
Microsoft Windows 7
Microsoft Windows RT 8.1

43 CVE-2017-0244 Privilege Escalation Vulnerability

Microsoft Windows Server 2008 SP2
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows 7

44 CVE-2017-0175 Information Disclosure Vulnerability

Microsoft Windows Server 2008 SP2
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows 7

45 CVE-2017-0220 Information Disclosure Vulnerability

Microsoft Windows 7
Microsoft Windows Server 2008 SP2
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2012

46 CVE-2017-0258 Information Disclosure Vulnerability

Microsoft Windows 10
Microsoft Windows 7 SP1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008 SP2
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016

47 CVE-2017-0259 Information Disclosure Vulnerability

Microsoft Windows Server 2012 R2
Microsoft Windows 10
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2016

48 CVE-2017-0077 Privilege Escalation Vulnerability

Microsoft Windows 10
Microsoft Windows 7 SP1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008 SP2
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016

49 CVE-2017-0245 Information Disclosure Vulnerability

Microsoft Windows 7 SP1
Microsoft Windows Server 2008 SP2
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2012

50 CVE-2017-0263 Privilege Escalation Vulnerability

Microsoft Windows 10
Microsoft Windows 7 SP1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008 SP2
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016

51 CVE-2017-0171 Denial of Service Vulnerability

Microsoft Windows Server 2008 SP2
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016

52 CVE-2017-0213 Privilege Escalation Vulnerability

Microsoft Windows Server 2016
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2008 SP2
Microsoft Windows RT 8.1
Microsoft Windows 8.1
Microsoft Windows 7 SP1
Microsoft Windows 10

53 CVE-2017-0214 Privilege Escalation Vulnerability

Microsoft Windows Server 2016
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2008 SP2
Microsoft Windows RT 8.1
Microsoft Windows 8.1
Microsoft Windows 7 SP1
Microsoft Windows 10

54 CVE-2017-0190 Information Disclosure Vulnerability

Microsoft Windows Server 2016
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2008 SP2
Microsoft Windows RT 8.1
Microsoft Windows 8.1
Microsoft Windows 7 SP1
Microsoft Windows 10

55 CVE-2017-0242 Information Disclosure Vulnerability

Microsoft Windows Server 2008 R2 SP1
Microsoft Windows Server 2008 SP2
Microsoft Windows 7 SP1

56 CVE-2017-0290 Remote Code Execution Vulnerability

Microsoft Forefront Endpoint Protection 2010
Microsoft Endpoint Protection
Microsoft Forefront Security for SharePoint Service Pack 3
Microsoft Security Essentials

Microsoft's summary of the May 2017 releases can be found here:
https://portal.msrc.microsoft.com/en-us/security-guidance