KLA12221
Multiple vulnerabillities in Microsoft Windows

Multiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code, gain privileges, bypass security restrictions, obtain sensitive information, spoof user interface.

Below is a complete list of vulnerabilities:

1. A denial of service vulnerability in Windows Hyper-V can be exploited remotely to cause denial of service.
2. A remote code execution vulnerability in Windows MSHTML Platform can be exploited remotely to execute arbitrary code.
3. An elevation of privilege vulnerability in Windows Console Driver can be exploited remotely to gain privileges.
4. A remote code execution vulnerability in HEVC Video Extensions can be exploited remotely to execute arbitrary code.
5. A denial of service vulnerability in Windows TCP/IP Driver can be exploited remotely to cause denial of service.
6. A denial of service vulnerability in Windows DNS Server can be exploited remotely to cause denial of service.
7. A security feature bypass vulnerability in Active Directory can be exploited remotely to bypass security restrictions.
8. An information disclosure vulnerability in Win32k can be exploited remotely to obtain sensitive information.
9. A remote code execution vulnerability in Windows Address Book can be exploited remotely to execute arbitrary code.
10. An elevation of privilege vulnerability in Windows Remote Access Connection Manager can be exploited remotely to gain privileges.
11. An elevation of privilege vulnerability in Windows Event Tracing can be exploited remotely to gain privileges.
12. An elevation of privilege vulnerability in Storage Spaces Controller can be exploited remotely to gain privileges.
13. A denial of service vulnerability in Windows LSA can be exploited remotely to cause denial of service.
14. An elevation of privilege vulnerability in Windows Kernel can be exploited remotely to gain privileges.
15. A remote code execution vulnerability in Windows DNS Server can be exploited remotely to execute arbitrary code.
16. A remote code execution vulnerability in Microsoft Windows Media Foundation can be exploited remotely to execute arbitrary code.
17. A security feature bypass vulnerability in Windows HTML Platforms can be exploited remotely to bypass security restrictions.
18. An information disclosure vulnerability in Media Foundation can be exploited remotely to obtain sensitive information.
19. An elevation of privilege vulnerability in Windows Partition Management Driver can be exploited remotely to gain privileges.
20. An elevation of privilege vulnerability in Windows AppContainer can be exploited remotely to gain privileges.
21. A security feature bypass vulnerability in Windows Secure Kernel Mode can be exploited remotely to bypass security restrictions.
22. An information disclosure vulnerability in GDI+ can be exploited remotely to obtain sensitive information.
23. A remote code execution vulnerability in Windows DNS Snap-in can be exploited remotely to execute arbitrary code.
24. An information disclosure vulnerability in Windows Key Distribution Center can be exploited remotely to obtain sensitive information.
25. An elevation of privilege vulnerability in Windows Projected File System can be exploited remotely to gain privileges.
26. A security feature bypass vulnerability in Windows Security Account Manager Remote Protocol can be exploited remotely to bypass security restrictions.
27. A remote code execution vulnerability in DirectWrite can be exploited remotely to execute arbitrary code.
28. An elevation of privilege vulnerability in Windows Cloud Files Mini Filter Driver can be exploited remotely to gain privileges.
29. An information disclosure vulnerability in Windows Remote Assistance can be exploited remotely to obtain sensitive information.
30. An elevation of privilege vulnerability in Win32k can be exploited remotely to gain privileges.
31. A denial of service vulnerability in Bowser.sys can be exploited remotely to cause denial of service.
32. An elevation of privilege vulnerability in Windows Installer can be exploited remotely to gain privileges.
33. A remote code execution vulnerability in Windows Kernel can be exploited remotely to execute arbitrary code.
34. An information disclosure vulnerability in Windows Kernel Memory can be exploited remotely to obtain sensitive information.
35. An information disclosure vulnerability in Windows GDI can be exploited remotely to obtain sensitive information.
36. An information disclosure vulnerability in Windows SMB can be exploited remotely to obtain sensitive information.
37. A spoofing vulnerability in Windows Certificate can be exploited remotely to spoof user interface.
38. An information disclosure vulnerability in Windows Remote Access Connection Manager can be exploited remotely to obtain sensitive information.
39. A denial of service vulnerability in Windows AF_UNIX Socket Provider can be exploited remotely to cause denial of service.
40. A spoofing vulnerability in Windows Installer can be exploited remotely to spoof user interface.
41. A remote code execution vulnerability in Windows Hyper-V can be exploited remotely to execute arbitrary code.
42. A security feature bypass vulnerability in Windows LSA can be exploited remotely to bypass security restrictions.
43. An elevation of privilege vulnerability in Windows Container Isolation FS Filter Driver can be exploited remotely to gain privileges.
44. An elevation of privilege vulnerability in Windows AppX Deployment Extensions can be exploited remotely to gain privileges.
45. A security feature bypass vulnerability in Windows Hello can be exploited remotely to bypass security restrictions.
46. An elevation of privilege vulnerability in Windows Desktop Bridge can be exploited remotely to gain privileges.
47. A security feature bypass vulnerability in Windows ADFS can be exploited remotely to bypass security restrictions.
48. An information disclosure vulnerability in Storage Spaces Controller can be exploited remotely to obtain sensitive information.
49. A memory corruption vulnerability in Scripting Engine can be exploited remotely to execute arbitrary code.
50. A remote code execution vulnerability in Windows Font Driver Host can be exploited remotely to execute arbitrary code.
51. An elevation of privilege vulnerability in Windows InstallService can be exploited remotely to gain privileges.
52. An elevation of privilege vulnerability in Windows File History Service can be exploited remotely to gain privileges.
53. An elevation of privilege vulnerability in Windows GDI can be exploited remotely to gain privileges.
54. A remote code execution vulnerability in Raw Image Extension can be exploited remotely to execute arbitrary code.
55. A remote code execution vulnerability in Windows Media can be exploited remotely to execute arbitrary code.
56. A spoofing vulnerability in Windows Authenticode can be exploited remotely to spoof user interface.

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

Windows 7 for 32-bit Systems Service Pack 1
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016
Windows 10 Version 1909 for x64-based Systems
Windows 10 Version 1909 for 32-bit Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows 10 Version 21H1 for ARM64-based Systems
Windows 10 Version 2004 for 32-bit Systems
Windows Server 2012
Windows RT 8.1
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 for 32-bit Systems
Windows 7 for x64-based Systems Service Pack 1
Windows 8.1 for x64-based systems
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 21H1 for x64-based Systems
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2016 (Server Core installation)
Windows Server, version 1909 (Server Core installation)
Windows 8.1 for 32-bit systems
Windows Server 2012 (Server Core installation)
Windows 10 Version 21H1 for 32-bit Systems
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2012 R2
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 20H2 for x64-based Systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server, version 2004 (Server Core installation)
HEVC Video Extensions
Windows Server, version 20H2 (Server Core Installation)
Windows 10 Version 1809 for x64-based Systems

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

CVE-2021-33758
CVE-2021-34497
CVE-2021-34488
CVE-2021-33775
CVE-2021-34490
CVE-2021-34444
CVE-2021-33781
CVE-2021-34491
CVE-2021-34504
CVE-2021-34456
CVE-2021-33774
CVE-2021-34513
CVE-2021-33788
CVE-2021-33771
CVE-2021-34494
CVE-2021-34503
CVE-2021-34446
CVE-2021-33760
CVE-2021-31183
CVE-2021-34510
CVE-2021-34493
CVE-2021-33761
CVE-2021-34459
CVE-2021-33744
CVE-2021-33755
CVE-2021-33745
CVE-2021-34440
CVE-2021-33749
CVE-2021-33764
CVE-2021-33743
CVE-2021-33757
CVE-2021-34489
CVE-2021-34441
CVE-2021-33784
CVE-2021-34525
CVE-2021-34507
CVE-2021-34516
CVE-2021-31947
CVE-2021-33780
CVE-2021-34476
CVE-2021-34511
CVE-2021-34458
CVE-2021-34500
CVE-2021-34512
CVE-2021-34496
CVE-2021-34460
CVE-2021-33783
CVE-2021-34492
CVE-2021-33763
CVE-2021-33785
CVE-2021-34442
CVE-2021-33765
CVE-2021-34450
CVE-2021-33786
CVE-2021-34461
CVE-2021-34462
CVE-2021-34466
CVE-2021-33754
CVE-2021-33752
CVE-2021-33750
CVE-2021-33776
CVE-2021-33759
CVE-2021-33779
CVE-2021-31979
CVE-2021-33756
CVE-2021-34509
CVE-2021-34508
CVE-2021-33751
CVE-2021-34449
CVE-2021-33777
CVE-2021-34448
CVE-2021-34499
CVE-2021-34438
CVE-2021-34457
CVE-2021-34445
CVE-2021-31961
CVE-2021-34455
CVE-2021-33772
CVE-2021-33746
CVE-2021-34498
CVE-2021-34447
CVE-2021-34521
CVE-2021-33778
CVE-2021-34439
CVE-2021-33740
CVE-2021-33782
CVE-2021-34514
CVE-2021-34454
CVE-2021-33773

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