Microsoft Windows 11 21H2 vulnerabilities
799 known vulnerabilities affecting microsoft/windows_11_21h2.
Total CVEs
799
CISA KEV
56
actively exploited
Public exploits
34
Exploited in wild
63
Severity breakdown
CRITICAL34HIGH572MEDIUM192LOW1
Vulnerabilities
Page 28 of 40
CVE-2023-36720P3HIGHCVSS 7.5fixed in 10.0.22000.25382023-10-10
CVE-2023-36720 [HIGH] CVE-2023-36720: Windows Mixed Reality Developer Tools Denial of Service Vulnerability
Windows Mixed Reality Developer Tools Denial of Service Vulnerability
nvd
CVE-2023-36431P3HIGHCVSS 7.5fixed in 10.0.22000.25382023-10-10
CVE-2023-36431 [HIGH] CWE-400 CVE-2023-36431: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
nvd
CVE-2023-36579P3HIGHCVSS 7.5fixed in 10.0.22000.25382023-10-10
CVE-2023-36579 [HIGH] CWE-400 CVE-2023-36579: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
nvd
CVE-2023-36581P3HIGHCVSS 7.5fixed in 10.0.22000.25382023-10-10
CVE-2023-36581 [HIGH] CWE-126 CVE-2023-36581: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
nvd
CVE-2023-24942P3HIGHCVSS 7.5fixed in 10.0.22000.19362023-05-09
CVE-2023-24942 [HIGH] CWE-126 CVE-2023-24942: Remote Procedure Call Runtime Denial of Service Vulnerability
Remote Procedure Call Runtime Denial of Service Vulnerability
nvd
CVE-2023-33173P3HIGHCVSS 7.5fixed in 10.0.22000.21762023-07-11
CVE-2023-33173 [HIGH] CWE-126 CVE-2023-33173: Remote Procedure Call Runtime Denial of Service Vulnerability
Remote Procedure Call Runtime Denial of Service Vulnerability
nvd
CVE-2023-33172P3HIGHCVSS 7.5fixed in 10.0.22000.21762023-07-11
CVE-2023-33172 [HIGH] CWE-126 CVE-2023-33172: Remote Procedure Call Runtime Denial of Service Vulnerability
Remote Procedure Call Runtime Denial of Service Vulnerability
nvd
CVE-2023-33168P3HIGHCVSS 7.5fixed in 10.0.22000.21762023-07-11
CVE-2023-33168 [HIGH] CWE-126 CVE-2023-33168: Remote Procedure Call Runtime Denial of Service Vulnerability
Remote Procedure Call Runtime Denial of Service Vulnerability
nvd
CVE-2023-33167P3HIGHCVSS 7.5fixed in 10.0.22000.21762023-07-11
CVE-2023-33167 [HIGH] CWE-126 CVE-2023-33167: Remote Procedure Call Runtime Denial of Service Vulnerability
Remote Procedure Call Runtime Denial of Service Vulnerability
nvd
CVE-2023-33166P3HIGHCVSS 7.5fixed in 10.0.22000.21762023-07-11
CVE-2023-33166 [HIGH] CWE-126 CVE-2023-33166: Remote Procedure Call Runtime Denial of Service Vulnerability
Remote Procedure Call Runtime Denial of Service Vulnerability
nvd
CVE-2023-32034P3HIGHCVSS 7.5fixed in 10.0.22000.21762023-07-11
CVE-2023-32034 [HIGH] CWE-125 CVE-2023-32034: Remote Procedure Call Runtime Denial of Service Vulnerability
Remote Procedure Call Runtime Denial of Service Vulnerability
nvd
CVE-2023-32035P3HIGHCVSS 7.5fixed in 10.0.22000.21762023-07-11
CVE-2023-32035 [HIGH] CWE-125 CVE-2023-32035: Remote Procedure Call Runtime Denial of Service Vulnerability
Remote Procedure Call Runtime Denial of Service Vulnerability
nvd
CVE-2023-33169P3HIGHCVSS 7.5fixed in 10.0.22000.21762023-07-11
CVE-2023-33169 [HIGH] CWE-126 CVE-2023-33169: Remote Procedure Call Runtime Denial of Service Vulnerability
Remote Procedure Call Runtime Denial of Service Vulnerability
nvd
CVE-2023-24948P3HIGHCVSS 7.4fixed in 10.0.22000.19362023-05-09
CVE-2023-24948 [HIGH] CWE-122 CVE-2023-24948: Windows Bluetooth Driver Elevation of Privilege Vulnerability
Windows Bluetooth Driver Elevation of Privilege Vulnerability
nvd
CVE-2023-32054P3HIGHCVSS 7.3fixed in 10.0.22000.21762023-07-11
CVE-2023-32054 [HIGH] CWE-36 CVE-2023-32054: Volume Shadow Copy Elevation of Privilege Vulnerability
Volume Shadow Copy Elevation of Privilege Vulnerability
nvd
CVE-2024-21302P3MEDIUMCVSS 6.7fixed in 10.0.22000.31472024-08-08
CVE-2024-21302 [MEDIUM] CWE-284 CVE-2024-21302: Summary: As of July 8, 2025 Microsoft has completed mitigations to address this vulnerability. See K
Summary:
As of July 8, 2025 Microsoft has completed mitigations to address this vulnerability. See KB5042562: Guidance for blocking rollback of virtualization-based security related updates and the Recommended Actions section of this CVE for guidance on how to protect your systems from this vulnerability.
An elevation of privilege vulnerability exis
nvd
CVE-2023-32043P3MEDIUMCVSS 6.8fixed in 10.0.22000.21762023-07-11
CVE-2023-32043 [MEDIUM] CWE-327 CVE-2023-32043: Windows Remote Desktop Security Feature Bypass Vulnerability
Windows Remote Desktop Security Feature Bypass Vulnerability
nvd
CVE-2023-36585P3HIGHCVSS 7.5fixed in 10.0.22000.25382023-10-10
CVE-2023-36585 [HIGH] CWE-20 CVE-2023-36585: Windows upnphost.dll Denial of Service Vulnerability
Windows upnphost.dll Denial of Service Vulnerability
nvd
CVE-2023-24931P3HIGHCVSS 7.5fixed in 10.0.22000.18172023-04-11
CVE-2023-24931 [HIGH] CWE-125 CVE-2023-24931: Windows Secure Channel Denial of Service Vulnerability
Windows Secure Channel Denial of Service Vulnerability
nvd
CVE-2023-28241P3HIGHCVSS 7.5fixed in 10.0.22000.18172023-04-11
CVE-2023-28241 [HIGH] CVE-2023-28241: Windows Secure Socket Tunneling Protocol (SSTP) Denial of Service Vulnerability
Windows Secure Socket Tunneling Protocol (SSTP) Denial of Service Vulnerability
nvd