Multiple serious vulnerabilities have been found in Microsoft Windows. Malicious users can exploit these vulnerabilities to gain privileges, obtain sensitive information, cause a denial of service or execute arbitrary code.

Below is a complete list of vulnerabilities:

1. An improper validation of input before loading DLL (dynamic link library) files can be exploited remotely by convincing a user to open a specially designed Office document to execute arbitrary code;
2. An incorrect enforcement of privilege levels in Windows Hyper-V instruction emulation can be exploited remotely to gain privileges on a target guest operating system;
3. An improper validation of buffer length done by tdx.sys can be exploited remotely via a specially designed application to gain privileges;
4. An incorrect handling of cabinet files can be exploited remotely via a specially designed cabinet file to execute arbitrary code;
5. Multiple vulnerabilities related to an improper handling of objects in memory in Windows Uniscribe can be exploited remotely by convincing a user to visit an untrusted webpage or open a specially designed document to obtain sensitive information;
6. Multiple vulnerabilities related to an improper initialization of objects in memory in Windows kernel can be exploited via a specially designed application to obtain sensitive information;
7. An incorrect handling of files in memory in Microsoft office can be exploited remotely either by sending a specially designed file and convincing a user to open the file or by hosting a website with a malicious content to execute arbitrary code;
8. An improper handling of LNK files in the Windows Explorer can be exploited remotely in case an icon of a specially designed shortcut is displayed to execute arbitrary code;
9. An incorrect handling of objects in memory in Windows kernel-mode driver can be exploited locally via a specially designed application to gain privileges;
10. An improper parsing of PDF files in Microsoft Windows can be exploited remotely by convincing a user to open a specially designed PDF file to obtain sensitive information;
11. An incorrect sanitizing of content in Skype for Business and Lync Servers can be exploited remotely by inviting a user to an instant message session and sending a message which contains a specially designed JavaScript content to obtain sensitive information.

Technical details

In case of vulnerability (4), malicious user can convince a user to open a specially designed cabinet file or spoof a network printer and convince a user to open a specially designed cabinet file which looks like a printer driver.

Microsoft Office Word Viewer

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

4022719
4022726
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4025342
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4034668
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4024402
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4022013
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3217845
4034666
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4503292
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The following public exploits exists for this vulnerability:

https://www.exploit-db.com/exploits/42235

https://www.exploit-db.com/exploits/42232

https://www.exploit-db.com/exploits/42219

https://www.exploit-db.com/exploits/42228

https://www.exploit-db.com/exploits/42231

https://www.exploit-db.com/exploits/42212

https://www.exploit-db.com/exploits/42229

https://www.exploit-db.com/exploits/42223

https://www.exploit-db.com/exploits/42429

https://www.exploit-db.com/exploits/42382

https://www.exploit-db.com/exploits/42233

https://www.exploit-db.com/exploits/42213

https://www.exploit-db.com/exploits/42236

https://www.exploit-db.com/exploits/42244

https://www.exploit-db.com/exploits/42215

https://www.exploit-db.com/exploits/42224

https://www.exploit-db.com/exploits/42230

https://www.exploit-db.com/exploits/42218

https://www.exploit-db.com/exploits/42225

https://www.exploit-db.com/exploits/42220

https://www.exploit-db.com/exploits/42216

https://www.exploit-db.com/exploits/42214

https://www.exploit-db.com/exploits/42243

https://www.exploit-db.com/exploits/42234

https://www.exploit-db.com/exploits/42210

https://www.exploit-db.com/exploits/42242

https://www.exploit-db.com/exploits/42237

https://www.exploit-db.com/exploits/42217

https://www.exploit-db.com/exploits/42226

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.