Windows 11 21h2 Microsoft Windows 11 21h2

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By the Year

In 2024 there have been 93 vulnerabilities in Microsoft Windows 11 21h2 with an average score of 7.3 out of ten. Last year Windows 11 21h2 had 516 security vulnerabilities published. Right now, Windows 11 21h2 is on track to have less security vulnerabilities in 2024 than it did last year. Last year, the average CVE base score was greater by 0.27

Year Vulnerabilities Average Score
2024 93 7.28
2023 516 7.55
2022 2 7.15
2021 4 8.03
2020 0 0.00
2019 1 8.00
2018 0 0.00

It may take a day or so for new Windows 11 21h2 vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Microsoft Windows 11 21h2 Security Vulnerabilities

Windows Kernel-Mode Driver Elevation of Privilege Vulnerability

CVE-2024-35250 7.8 - High - June 11, 2024

Windows Kernel-Mode Driver Elevation of Privilege Vulnerability

Buffer Overflow

Windows Perception Service Elevation of Privilege Vulnerability

CVE-2024-35265 7 - High - June 11, 2024

Windows Perception Service Elevation of Privilege Vulnerability

TOCTTOU

Microsoft Speech Application Programming Interface (SAPI) Remote Code Execution Vulnerability

CVE-2024-30097 8.8 - High - June 11, 2024

Microsoft Speech Application Programming Interface (SAPI) Remote Code Execution Vulnerability

Double-free

Windows Kernel Elevation of Privilege Vulnerability

CVE-2024-30099 7 - High - June 11, 2024

Windows Kernel Elevation of Privilege Vulnerability

TOCTTOU

Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

CVE-2024-30080 9.8 - Critical - June 11, 2024

Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

Dangling pointer

Windows DWM Core Library Elevation of Privilege Vulnerability

CVE-2024-30051 7.8 - High - May 14, 2024

Windows DWM Core Library Elevation of Privilege Vulnerability

Memory Corruption

Windows MSHTML Platform Security Feature Bypass Vulnerability

CVE-2024-30040 8.8 - High - May 14, 2024

Windows MSHTML Platform Security Feature Bypass Vulnerability

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

CVE-2024-29997 6.8 - Medium - May 14, 2024

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

Integer Overflow or Wraparound

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

CVE-2024-29998 6.8 - Medium - May 14, 2024

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

CVE-2024-29999 6.8 - Medium - May 14, 2024

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

Integer Overflow or Wraparound

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

CVE-2024-30000 6.8 - Medium - May 14, 2024

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

Integer Overflow or Wraparound

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

CVE-2024-30001 6.8 - Medium - May 14, 2024

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

Integer Overflow or Wraparound

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

CVE-2024-30002 6.8 - Medium - May 14, 2024

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

CVE-2024-30003 6.8 - Medium - May 14, 2024

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

Integer Overflow or Wraparound

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

CVE-2024-30004 6.8 - Medium - May 14, 2024

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

Integer Overflow or Wraparound

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

CVE-2024-30005 6.8 - Medium - May 14, 2024

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

Integer Overflow or Wraparound

Windows Storage Elevation of Privilege Vulnerability

CVE-2024-29052 7.8 - High - April 09, 2024

Windows Storage Elevation of Privilege Vulnerability

Improper Privilege Management

Secure Boot Security Feature Bypass Vulnerability

CVE-2024-29061 7.8 - High - April 09, 2024

Secure Boot Security Feature Bypass Vulnerability

Memory Corruption

Secure Boot Security Feature Bypass Vulnerability

CVE-2024-29062 7.1 - High - April 09, 2024

Secure Boot Security Feature Bypass Vulnerability

TOCTTOU

Windows Error Reporting Service Elevation of Privilege Vulnerability

CVE-2024-26169 7.8 - High - March 12, 2024

Windows Error Reporting Service Elevation of Privilege Vulnerability

Windows Hyper-V Remote Code Execution Vulnerability

CVE-2024-21407 8.1 - High - March 12, 2024

Windows Hyper-V Remote Code Execution Vulnerability

Windows Hyper-V Denial of Service Vulnerability

CVE-2024-21408 5.5 - Medium - March 12, 2024

Windows Hyper-V Denial of Service Vulnerability

Windows USB Generic Parent Driver Remote Code Execution Vulnerability

CVE-2024-21339 6.4 - Medium - February 13, 2024

Windows USB Generic Parent Driver Remote Code Execution Vulnerability

Microsoft ActiveX Data Objects Remote Code Execution Vulnerability

CVE-2024-21349 8.8 - High - February 13, 2024

Microsoft ActiveX Data Objects Remote Code Execution Vulnerability

Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability

CVE-2024-21356 6.5 - Medium - February 13, 2024

Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability

Microsoft ODBC Driver Remote Code Execution Vulnerability

CVE-2024-21347 7.5 - High - February 13, 2024

Microsoft ODBC Driver Remote Code Execution Vulnerability

Internet Connection Sharing (ICS) Denial of Service Vulnerability

CVE-2024-21348 7.5 - High - February 13, 2024

Internet Connection Sharing (ICS) Denial of Service Vulnerability

Windows SmartScreen Security Feature Bypass Vulnerability

CVE-2024-21351 7.6 - High - February 13, 2024

Windows SmartScreen Security Feature Bypass Vulnerability

Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability

CVE-2024-21354 7.8 - High - February 13, 2024

Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability

Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability

CVE-2024-21355 7 - High - February 13, 2024

Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability

Windows Kernel Security Feature Bypass Vulnerability

CVE-2024-21362 5.5 - Medium - February 13, 2024

Windows Kernel Security Feature Bypass Vulnerability

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21391 8.8 - High - February 13, 2024

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Internet Shortcut Files Security Feature Bypass Vulnerability

CVE-2024-21412 8.1 - High - February 13, 2024

Internet Shortcut Files Security Feature Bypass Vulnerability

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21350 8.8 - High - February 13, 2024

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21352 8.8 - High - February 13, 2024

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21358 8.8 - High - February 13, 2024

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21359 8.8 - High - February 13, 2024

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21360 8.8 - High - February 13, 2024

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21361 8.8 - High - February 13, 2024

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21365 8.8 - High - February 13, 2024

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21366 8.8 - High - February 13, 2024

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21367 8.8 - High - February 13, 2024

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21368 8.8 - High - February 13, 2024

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21369 8.8 - High - February 13, 2024

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21370 8.8 - High - February 13, 2024

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21375 8.8 - High - February 13, 2024

Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Windows DNS Information Disclosure Vulnerability

CVE-2024-21377 5.5 - Medium - February 13, 2024

Windows DNS Information Disclosure Vulnerability

Windows Printing Service Spoofing Vulnerability

CVE-2024-21406 7.5 - High - February 13, 2024

Windows Printing Service Spoofing Vulnerability

Trusted Compute Base Elevation of Privilege Vulnerability

CVE-2024-21304 4.1 - Medium - February 13, 2024

Trusted Compute Base Elevation of Privilege Vulnerability

Windows Network Address Translation (NAT) Denial of Service Vulnerability

CVE-2024-21343 7.5 - High - February 13, 2024

Windows Network Address Translation (NAT) Denial of Service Vulnerability

Windows Network Address Translation (NAT) Denial of Service Vulnerability

CVE-2024-21344 5.9 - Medium - February 13, 2024

Windows Network Address Translation (NAT) Denial of Service Vulnerability

Windows Hyper-V Denial of Service Vulnerability

CVE-2024-20684 6.5 - Medium - February 13, 2024

Windows Hyper-V Denial of Service Vulnerability

Win32k Elevation of Privilege Vulnerability

CVE-2024-21346 7.8 - High - February 13, 2024

Win32k Elevation of Privilege Vulnerability

Windows Kernel Elevation of Privilege Vulnerability

CVE-2024-21371 7 - High - February 13, 2024

Windows Kernel Elevation of Privilege Vulnerability

Windows OLE Remote Code Execution Vulnerability

CVE-2024-21372 8.8 - High - February 13, 2024

Windows OLE Remote Code Execution Vulnerability

Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability

CVE-2024-21405 7 - High - February 13, 2024

Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability

Windows Kernel Remote Code Execution Vulnerability

CVE-2024-21341 6.8 - Medium - February 13, 2024

Windows Kernel Remote Code Execution Vulnerability

Windows Kernel Elevation of Privilege Vulnerability

CVE-2024-21338 7.8 - High - February 13, 2024

Windows Kernel Elevation of Privilege Vulnerability

Windows Kernel Information Disclosure Vulnerability

CVE-2024-21340 4.6 - Medium - February 13, 2024

Windows Kernel Information Disclosure Vulnerability

Hypervisor-Protected Code Integrity (HVCI) Security Feature Bypass Vulnerability

CVE-2024-21305 4.4 - Medium - January 09, 2024

Hypervisor-Protected Code Integrity (HVCI) Security Feature Bypass Vulnerability

Windows Themes Spoofing Vulnerability

CVE-2024-21320 6.5 - Medium - January 09, 2024

Windows Themes Spoofing Vulnerability

Windows Server Key Distribution Service Security Feature Bypass

CVE-2024-21316 6.1 - Medium - January 09, 2024

Windows Server Key Distribution Service Security Feature Bypass

Microsoft Message Queuing Information Disclosure Vulnerability

CVE-2024-21314 6.5 - Medium - January 09, 2024

Microsoft Message Queuing Information Disclosure Vulnerability

Windows TCP/IP Information Disclosure Vulnerability

CVE-2024-21313 5.3 - Medium - January 09, 2024

Windows TCP/IP Information Disclosure Vulnerability

Windows Cryptographic Services Information Disclosure Vulnerability

CVE-2024-21311 5.5 - Medium - January 09, 2024

Windows Cryptographic Services Information Disclosure Vulnerability

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

CVE-2024-21310 7.8 - High - January 09, 2024

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Windows Kernel-Mode Driver Elevation of Privilege Vulnerability

CVE-2024-21309 7.8 - High - January 09, 2024

Windows Kernel-Mode Driver Elevation of Privilege Vulnerability

Remote Desktop Client Remote Code Execution Vulnerability

CVE-2024-21307 7.5 - High - January 09, 2024

Remote Desktop Client Remote Code Execution Vulnerability

Race Condition

Microsoft Bluetooth Driver Spoofing Vulnerability

CVE-2024-21306 5.7 - Medium - January 09, 2024

Microsoft Bluetooth Driver Spoofing Vulnerability

Windows Hyper-V Remote Code Execution Vulnerability

CVE-2024-20700 7.5 - High - January 09, 2024

Windows Hyper-V Remote Code Execution Vulnerability

Race Condition

Windows Kernel Elevation of Privilege Vulnerability

CVE-2024-20698 7.8 - High - January 09, 2024

Windows Kernel Elevation of Privilege Vulnerability

Windows Libarchive Remote Code Execution Vulnerability

CVE-2024-20696 7.3 - High - January 09, 2024

Windows Libarchive Remote Code Execution Vulnerability

Windows CoreMessaging Information Disclosure Vulnerability

CVE-2024-20694 5.5 - Medium - January 09, 2024

Windows CoreMessaging Information Disclosure Vulnerability

Exposure of Resource to Wrong Sphere

Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability

CVE-2024-20692 5.7 - Medium - January 09, 2024

Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability

Exposure of Resource to Wrong Sphere

Microsoft Message Queuing Information Disclosure Vulnerability

CVE-2024-20664 6.5 - Medium - January 09, 2024

Microsoft Message Queuing Information Disclosure Vulnerability

Windows Message Queuing Client (MSMQC) Information Disclosure

CVE-2024-20663 6.5 - Medium - January 09, 2024

Windows Message Queuing Client (MSMQC) Information Disclosure

Windows Hyper-V Denial of Service Vulnerability

CVE-2024-20699 5.5 - Medium - January 09, 2024

Windows Hyper-V Denial of Service Vulnerability

Windows Themes Information Disclosure Vulnerability

CVE-2024-20691 4.7 - Medium - January 09, 2024

Windows Themes Information Disclosure Vulnerability

Windows Nearby Sharing Spoofing Vulnerability

CVE-2024-20690 6.5 - Medium - January 09, 2024

Windows Nearby Sharing Spoofing Vulnerability

Win32k Elevation of Privilege Vulnerability

CVE-2024-20683 7.8 - High - January 09, 2024

Win32k Elevation of Privilege Vulnerability

Microsoft Common Log File System Elevation of Privilege Vulnerability

CVE-2024-20653 7.8 - High - January 09, 2024

Microsoft Common Log File System Elevation of Privilege Vulnerability

Windows Group Policy Elevation of Privilege Vulnerability

CVE-2024-20657 7 - High - January 09, 2024

Windows Group Policy Elevation of Privilege Vulnerability

Microsoft Virtual Hard Disk Elevation of Privilege Vulnerability

CVE-2024-20658 7.8 - High - January 09, 2024

Microsoft Virtual Hard Disk Elevation of Privilege Vulnerability

Windows HTML Platforms Security Feature Bypass Vulnerability

CVE-2024-20652 8.1 - High - January 09, 2024

Windows HTML Platforms Security Feature Bypass Vulnerability

Microsoft AllJoyn API Denial of Service Vulnerability

CVE-2024-20687 7.5 - High - January 09, 2024

Microsoft AllJoyn API Denial of Service Vulnerability

Microsoft ODBC Driver Remote Code Execution Vulnerability

CVE-2024-20654 8 - High - January 09, 2024

Microsoft ODBC Driver Remote Code Execution Vulnerability

Microsoft Message Queuing Information Disclosure Vulnerability

CVE-2024-20660 6.5 - Medium - January 09, 2024

Microsoft Message Queuing Information Disclosure Vulnerability

BitLocker Security Feature Bypass Vulnerability

CVE-2024-20666 6.6 - Medium - January 09, 2024

BitLocker Security Feature Bypass Vulnerability

Windows Kerberos Security Feature Bypass Vulnerability

CVE-2024-20674 8.8 - High - January 09, 2024

Windows Kerberos Security Feature Bypass Vulnerability

Authentication Bypass by Spoofing

Windows Message Queuing Client (MSMQC) Information Disclosure

CVE-2024-20680 6.5 - Medium - January 09, 2024

Windows Message Queuing Client (MSMQC) Information Disclosure

Windows Subsystem for Linux Elevation of Privilege Vulnerability

CVE-2024-20681 7.8 - High - January 09, 2024

Windows Subsystem for Linux Elevation of Privilege Vulnerability

Windows Cryptographic Services Remote Code Execution Vulnerability

CVE-2024-20682 7.8 - High - January 09, 2024

Windows Cryptographic Services Remote Code Execution Vulnerability

Microsoft Message Queuing Denial of Service Vulnerability

CVE-2024-20661 7.5 - High - January 09, 2024

Microsoft Message Queuing Denial of Service Vulnerability

Resource Exhaustion

Windows Local Session Manager (LSM) Denial of Service Vulnerability

CVE-2022-44684 6.5 - Medium - December 20, 2023

Windows Local Session Manager (LSM) Denial of Service Vulnerability

Windows Media Remote Code Execution Vulnerability

CVE-2023-21740 7.8 - High - December 12, 2023

Windows Media Remote Code Execution Vulnerability

Microsoft ODBC Driver Remote Code Execution Vulnerability

CVE-2023-35639 8.8 - High - December 12, 2023

Microsoft ODBC Driver Remote Code Execution Vulnerability

Internet Connection Sharing (ICS) Remote Code Execution Vulnerability

CVE-2023-35641 8.8 - High - December 12, 2023

Internet Connection Sharing (ICS) Remote Code Execution Vulnerability

Internet Connection Sharing (ICS) Denial of Service Vulnerability

CVE-2023-35642 6.5 - Medium - December 12, 2023

Internet Connection Sharing (ICS) Denial of Service Vulnerability

Windows Sysmain Service Elevation of Privilege

CVE-2023-35644 7.8 - High - December 12, 2023

Windows Sysmain Service Elevation of Privilege

Windows Bluetooth Driver Remote Code Execution Vulnerability

CVE-2023-35634 8.8 - High - December 12, 2023

Windows Bluetooth Driver Remote Code Execution Vulnerability

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