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July's Patch Tuesday brings patches for 54 CVEs, nearly half the number patched in June and back to the patch levels we saw in April and May. Over all there are 19 CVEs rated "Critical", 32 rated "Important" and 3 rated "Moderate".
Across all of these vulnerabilities security updates for software and services include:
Twelve of the 19 CVEs rated "Critical" affect the Microsoft Scripting Engine and can result in Remote Code Execution. These vulnerabilities would typically be exploited by an attacker setting up a malicious website and luring victims to open it. The other critical CVEs are the regular cast of characters including Internet Explorer, Edge, and Windows. One odd man out on the list is Microsoft's HoloLens, their Augmented or "Mixed" Reality platform. Since the platform is still in its infancy and primarily targeted at developers rather than consumers, it's nice to see that security is being addressed so early.
Microsoft Office is back on the list of CVEs rated as "Important" including multiple Remote Code Execution vulnerabilities. Wordpad and Powershell also make this list with Remote Code Execution vulnerabilities. There are also several vulnerabilities in Microsoft services that might be publicly exposed. These include vulnerabilities in HTTP.sys, .NET, Microsoft Exchange and Sharepoint. Admins in charge of such servers should patch as soon as possible.
Critical CVEs
July Flash Security Update
ADV170009
Remote Code Execution
Windows Explorer Remote Code Execution Vulnerability
CVE-2017-8463
Remote Code Execution
HoloLens Remote Code Execution Vulnerability
CVE-2017-8584
Remote Code Execution
Windows Search Remote Code Execution Vulnerability
CVE-2017-8589
Remote Code Execution
Internet Explorer Memory Corruption Vulnerability
CVE-2017-8594
Remote Code Execution
Scripting Engine Memory Corruption Vulnerability
CVE-2017-8595
Remote Code Execution
Microsoft Edge Memory Corruption Vulnerability
CVE-2017-8596
Remote Code Execution
Microsoft Edge Remote Code Execution Vulnerability
CVE-2017-8617
Remote Code Execution
Scripting Engine Memory Corruption Vulnerability
CVE-2017-8598, CVE-2017-8601, CVE-2017-8603, CVE-2017-8604, CVE-2017-8605, CVE-2017-8606, CVE-2017-8607, CVE-2017-8608, CVE-2017-8609, CVE-2017-8610, CVE-2017-8618, CVE-2017-8619
Remote Code Execution
Important CVEs
Microsoft Office Remote Code Execution Vulnerability
CVE-2017-0243
Remote Code Execution
Win32k Elevation of Privilege Vulnerability
CVE-2017-8467
Elevation of Privilege
Win32k Information Disclosure Vulnerability
CVE-2017-8486
Information Disclosure
Kerberos SNAME Security Feature Bypass Vulnerability
CVE-2017-8495
Security Feature Bypass
Microsoft Office Memory Corruption Vulnerability
CVE-2017-8501, CVE-2017-8502
Remote Code Execution
Microsoft Graphics Component Elevation of Privilege Vulnerability
CVE-2017-8556
Elevation of Privilege
Windows System Information Console Information Disclosure Vulnerability
CVE-2017-8557
Information Disclosure
Microsoft Exchange Cross-Site Scripting Vulnerability
CVE-2017-8559, CVE-2017-8560
Elevation of Privilege
Windows Kernel Elevation of Privilege Vulnerability
CVE-2017-8561
Elevation of Privilege
Windows ALPC Elevation of Privilege Vulnerability
CVE-2017-8562
Elevation of Privilege
Windows Elevation of Privilege Vulnerability
CVE-2017-8563
Elevation of Privilege
Windows Kernel Information Disclosure Vulnerability
CVE-2017-8564
Information Disclosure
Windows PowerShell Remote Code Execution Vulnerability
CVE-2017-8565
Remote Code Execution
Windows IME Elevation of Privilege Vulnerability
CVE-2017-8566
Elevation of Privilege
SharePoint Server XSS Vulnerability
CVE-2017-8569
Elevation of Privilege
Office Remote Code Execution Vulnerability
CVE-2017-8570
Remote Code Execution
Microsoft Graphics Component Elevation of Privilege Vulnerability
CVE-2017-8573, CVE-2017-8574
Elevation of Privilege
Win32k Elevation of Privilege Vulnerability
CVE-2017-8577, CVE-2017-8578, CVE-2017-8580, CVE-2017-8581
Elevation of Privilege
Https.sys Information Disclosure Vulnerability
CVE-2017-8582
Information Disclosure
.NET Denial of Service Vulnerability
CVE-2017-8585
Denial of Service
Windows Explorer Denial of Service Vulnerability
CVE-2017-8587
Denial of Service
WordPad Remote Code Execution Vulnerability
CVE-2017-8588
Remote Code Execution
Windows CLFS Elevation of Privilege Vulnerability
CVE-2017-8590
Elevation of Privilege
Microsoft Browser Security Feature Bypass
CVE-2017-8592
Security Feature Bypass
Microsoft Edge Security Feature Bypass Vulnerability
CVE-2017-8599
Security Feature Bypass
Microsoft Browser Spoofing Vulnerability
CVE-2017-8602
Spoofing
Moderate CVEs
Windows Performance Monitor Information Disclosure Vulnerability
CVE-2017-0170
Information Disclosure
Microsoft Edge Spoofing Vulnerability
CVE-2017-8611
Spoofing
Microsoft Exchange Open Redirect Vulnerability
CVE-2017-8621
Spoofing
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