Microsoft · Out-of-band update · August 9, 2016

KB3176493: August 2016 cumulative update for Windows 10 1511

KB3176493, released August 9, 2016, fixes 16 CVEs across 6 products. One of them is being exploited (CVE-2016-3309); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEVKnown ransomware useUnsupported product

CVEs closed

8 rated Critical

Exploited

CVE-2016-3309

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.4627

98th percentile

Priority of the 16 CVEs

Patch now 1
                                Urgent 12
                                High 0
                                Routine 3

Applies to

Product	Build after install
Internet Explorer 11 on Windows 10 Version 1511 for 32-bit Systems	10586.545
Internet Explorer 11 on Windows 10 Version 1511 for x64-based Systems	10586.545
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for 32-bit Systems	10586.545
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for x64-based Systems	10586.545
Windows 10 Version 1511 for 32-bit Systems	10586.545
Windows 10 Version 1511 for x64-based Systems	10586.545

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2016-3309	Windows Kernel-Mode Drivers	Elevation of Privilege	n/a	0.2047	KEVRansomwareExploited
Urgent	CVE-2016-3288	Internet Explorer	Remote Code Execution	7.1	0.4627	More likely
Urgent	CVE-2016-3301	Microsoft Graphics Component	Remote Code Execution	8.8	0.4449	More likely
Urgent	CVE-2016-3321	Internet Explorer	Information Disclosure	2.6	0.3795	More likely
Urgent	CVE-2016-3319	Microsoft Windows PDF	Remote Code Execution	4.2	0.1854	Exploitation Less Likely
Urgent	CVE-2016-3289	Microsoft Browsers	Remote Code Execution	7.1	0.1770	More likely
Urgent	CVE-2016-3290	Internet Explorer	Remote Code Execution	7.1	0.1643	More likely
Urgent	CVE-2016-3296	Microsoft Edge	Remote Code Execution	4.2	0.1487	More likely
Urgent	CVE-2016-3293	Microsoft Browsers	Remote Code Execution	7.1	0.1473	More likely
Urgent	CVE-2016-3322	Microsoft Browsers	Remote Code Execution	7.1	0.1451	More likely
Urgent	CVE-2016-3308	Windows Kernel-Mode Drivers	Elevation of Privilege	n/a	0.0642	More likely
Urgent	CVE-2016-3310	Windows Kernel-Mode Drivers	Elevation of Privilege	n/a	0.0263	More likely
Urgent	CVE-2016-3311	Windows Kernel-Mode Drivers	Elevation of Privilege	n/a	0.0153	More likely
Routine	CVE-2016-3327	Microsoft Browsers	Information Disclosure	6.4	0.1592	Exploitation Less Likely
Routine	CVE-2016-3329	Microsoft Browsers	Information Disclosure	6.4	0.1592	Exploitation Unlikely
Routine	CVE-2016-3312	ActiveSyncProvider	Information Disclosure	4.3	0.0965	Exploitation Unlikely

Released the same day

KB3114456
Microsoft OneNote 2007 Service Pack 3
KB3114869
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB3114885
Microsoft OneNote 2010 Service Pack 2 (32-bit editions), Microsoft OneNote 2010 Service Pack 2 (64-bit editions)
KB3114893
Microsoft Office 2007 Service Pack 3
KB3115109
Microsoft Office 2007 Service Pack 3
KB3115131
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB3115256
Microsoft OneNote 2013 RT Service Pack 1, Microsoft OneNote 2013 Service Pack 1 (32-bit editions), Microsoft OneNote 2013 Service Pack 1 (64-bit editions)
KB3115408
Skype for Business 2016 (32-bit), Skype for Business 2016 (64-bit), Skype for Business 2016 Basic (32-bit) and 1 more
KB3115415
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB3115419
Microsoft OneNote 2016 (32-bit edition), Microsoft OneNote 2016 (64-bit edition)
KB3115427
Microsoft Office 2013 RT Service Pack 1, Microsoft Office 2013 Service Pack 1 (32-bit editions), Microsoft Office 2013 Service Pack 1 (64-bit editions)
KB3115431
Microsoft Lync 2013 Service Pack 1 (32-bit), Microsoft Lync 2013 Service Pack 1 (64-bit), Microsoft Lync Basic 2013 Service Pack 1 (32-bit) and 1 more

Vendor advisory

https://support.microsoft.com/help/3176493

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