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.

Original advisories

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

Exploitation

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

Related products

Microsoft-Windows

Microsoft-Windows-Server

Microsoft-Windows-Server-2012

Microsoft-Windows-8

Microsoft-Windows-7

Microsoft-Windows-Server-2008

Windows-RT

Microsoft-Windows-10

CVE list

CVE-2021-33758 critical

CVE-2021-34497 high

CVE-2021-34488 critical

CVE-2021-33775 critical

CVE-2021-34490 critical

CVE-2021-34444 high

CVE-2021-33781 critical

CVE-2021-34491 high

CVE-2021-34504 critical

CVE-2021-34456 critical

CVE-2021-33774 high

CVE-2021-34513 critical

CVE-2021-33788 critical

CVE-2021-33771 critical

CVE-2021-34494 critical

CVE-2021-34503 critical

CVE-2021-34446 critical

CVE-2021-33760 high

CVE-2021-31183 critical

CVE-2021-34510 critical

CVE-2021-34493 high

CVE-2021-33761 critical

CVE-2021-34459 critical

CVE-2021-33744 high

CVE-2021-33755 high

CVE-2021-33745 high

CVE-2021-34440 high

CVE-2021-33749 critical

CVE-2021-33764 high

CVE-2021-33743 critical

CVE-2021-33757 high

CVE-2021-34489 critical

CVE-2021-34441 critical

CVE-2021-33784 critical

CVE-2021-34525 critical

CVE-2021-34507 high

CVE-2021-34516 critical

CVE-2021-31947 critical

CVE-2021-33780 critical

CVE-2021-34476 critical

CVE-2021-34511 critical

CVE-2021-34458 critical

CVE-2021-34500 high

CVE-2021-34512 critical

CVE-2021-34496 high

CVE-2021-34460 critical

CVE-2021-33783 high

CVE-2021-34492 critical

CVE-2021-33763 high

CVE-2021-33785 critical

CVE-2021-34442 critical

CVE-2021-33765 high

CVE-2021-34450 critical

CVE-2021-33786 critical

CVE-2021-34461 critical

CVE-2021-34462 high

CVE-2021-34466 high

CVE-2021-33754 critical

CVE-2021-33752 critical

CVE-2021-33750 critical

CVE-2021-33776 critical

CVE-2021-33759 critical

CVE-2021-33779 critical

CVE-2021-31979 critical

CVE-2021-33756 critical

CVE-2021-34509 high

CVE-2021-34508 critical

CVE-2021-33751 high

CVE-2021-34449 high

CVE-2021-33777 critical

CVE-2021-34448 high

CVE-2021-34499 high

CVE-2021-34438 critical

CVE-2021-34457 high

CVE-2021-34445 critical

CVE-2021-31961 high

CVE-2021-34455 critical

CVE-2021-33772 critical

CVE-2021-33746 critical

CVE-2021-34498 critical

CVE-2021-34447 high

CVE-2021-34521 critical

CVE-2021-33778 critical

CVE-2021-34439 critical

CVE-2021-33740 critical

CVE-2021-33782 high

CVE-2021-34514 critical

CVE-2021-34454 high

CVE-2021-33773 critical

KB list

5004238

5004302

5004294

5004237

5004244

5004298

5004285

5004249

5004245

5005563

5006674

5006669

5010419

5010395

5010358

5010359

5010392

5010412

Solution

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

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

• PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

• SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

• Windows 7 for 32-bit Systems Service Pack 1Windows Server 2012 R2 (Server Core installation)Windows Server 2016Windows 10 Version 1909 for x64-based SystemsWindows 10 Version 1909 for 32-bit SystemsWindows Server 2008 R2 for x64-based Systems Service Pack 1Windows 10 Version 21H1 for ARM64-based SystemsWindows 10 Version 2004 for 32-bit SystemsWindows Server 2012Windows RT 8.1Windows 10 Version 1909 for ARM64-based SystemsWindows 10 for 32-bit SystemsWindows 7 for x64-based Systems Service Pack 1Windows 8.1 for x64-based systemsWindows Server 2008 for 32-bit Systems Service Pack 2Windows 10 Version 2004 for x64-based SystemsWindows 10 Version 21H1 for x64-based SystemsWindows Server 2019Windows Server 2019 (Server Core installation)Windows 10 Version 1809 for 32-bit SystemsWindows 10 Version 1607 for x64-based SystemsWindows 10 Version 20H2 for ARM64-based SystemsWindows 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 systemsWindows Server 2012 (Server Core installation)Windows 10 Version 21H1 for 32-bit SystemsWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)Windows Server 2012 R2Windows 10 Version 1809 for ARM64-based SystemsWindows 10 Version 2004 for ARM64-based SystemsWindows 10 Version 20H2 for x64-based SystemsWindows 10 Version 1607 for 32-bit SystemsWindows 10 for x64-based SystemsWindows 10 Version 20H2 for 32-bit SystemsWindows Server 2008 for x64-based Systems Service Pack 2Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)Windows Server, version 2004 (Server Core installation)HEVC Video ExtensionsWindows Server, version 20H2 (Server Core Installation)Windows 10 Version 1809 for x64-based Systems