Microsoft Windows 10 21H2 vulnerabilities
3,333 known vulnerabilities affecting microsoft/windows_10_21h2.
Total CVEs
3,333
CISA KEV
91
actively exploited
Public exploits
55
Exploited in wild
102
Severity breakdown
CRITICAL109HIGH2392MEDIUM823LOW9
Vulnerabilities
Page 6 of 167
CVE-2025-24061P2HIGHCVSS 7.8Exploitedfixed in 10.0.19044.56082025-03-11
CVE-2025-24061 [HIGH] CWE-693 CVE-2025-24061: Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to by
Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to bypass a security feature locally.
nvd
CVE-2023-29324P2MEDIUMCVSS 6.5Exploitedfixed in 10.0.19044.29652023-05-09
CVE-2023-29324 [MEDIUM] CWE-73 CVE-2023-29324: Windows MSHTML Platform Security Feature Bypass Vulnerability
Windows MSHTML Platform Security Feature Bypass Vulnerability
nvd
CVE-2023-28218P2HIGHCVSS 7.0Exploitedfixed in 10.0.19044.28462023-04-11
CVE-2023-28218 [HIGH] CWE-122 CVE-2023-28218: Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
nvd
CVE-2024-38063P1CRITICALCVSS 9.8PoCfixed in 10.0.19044.47802024-08-13
CVE-2024-38063 [CRITICAL] CWE-191 CVE-2024-38063: Windows TCP/IP Remote Code Execution Vulnerability
Windows TCP/IP Remote Code Execution Vulnerability
nvd
CVE-2025-21293P2HIGHCVSS 8.8PoCfixed in 10.0.19044.53712025-01-14
CVE-2025-21293 [HIGH] CWE-284 CVE-2025-21293: Active Directory Domain Services Elevation of Privilege Vulnerability
Active Directory Domain Services Elevation of Privilege Vulnerability
nvd
CVE-2024-49112P1CRITICALCVSS 9.8fixed in 10.0.19044.52472024-12-12
CVE-2024-49112 [CRITICAL] CWE-190 CVE-2024-49112: Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
nvd
CVE-2023-38545P2CRITICALCVSS 9.8fixed in 10.0.19044.36932023-10-18
CVE-2023-38545 [CRITICAL] CWE-787 CVE-2023-38545: This flaw makes curl overflow a heap based buffer in the SOCKS5 proxy handshake. When curl is asked
This flaw makes curl overflow a heap based buffer in the SOCKS5 proxy
handshake.
When curl is asked to pass along the host name to the SOCKS5 proxy to allow
that to resolve the address instead of it getting done by curl itself, the
maximum length that host name can be is 255 bytes.
If the host name is detected to be longer, curl switches to local
nvd
CVE-2023-35628P2HIGHCVSS 8.1fixed in 10.0.19041.38032023-12-12
CVE-2023-35628 [HIGH] CWE-416 CVE-2023-35628: Windows MSHTML Platform Remote Code Execution Vulnerability
Windows MSHTML Platform Remote Code Execution Vulnerability
nvd
CVE-2025-53778P2HIGHCVSS 8.8fixed in 10.0.19044.62162025-08-12
CVE-2025-53778 [HIGH] CWE-287 CVE-2025-53778: Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a n
Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-20929P2HIGHCVSS 7.5PoCfixed in 10.0.19044.68092026-01-13
CVE-2026-20929 [HIGH] CWE-284 CVE-2026-20929: Improper access control in Windows HTTP.sys allows an authorized attacker to elevate privileges over
Improper access control in Windows HTTP.sys allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2025-50154P3MEDIUMCVSS 6.5PoCfixed in 10.0.19044.62162025-08-12
CVE-2025-50154 [MEDIUM] CWE-200 CVE-2025-50154: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauth
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.
nvd
CVE-2024-30085P3HIGHCVSS 7.8PoCfixed in 10.0.19044.45292024-06-11
CVE-2024-30085 [HIGH] CWE-122 CVE-2024-30085: Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
nvd
CVE-2025-47981P2CRITICALCVSS 9.8fixed in 10.0.19044.60932025-07-08
CVE-2025-47981 [CRITICAL] CWE-122 CVE-2025-47981: Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to
Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network.
nvd
CVE-2023-21690P2CRITICALCVSS 9.8fixed in 10.0.19044.26042023-02-14
CVE-2023-21690 [CRITICAL] CWE-122 CVE-2023-21690: Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability
Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability
nvd
CVE-2023-21689P2CRITICALCVSS 9.8fixed in 10.0.19044.26042023-02-14
CVE-2023-21689 [CRITICAL] CWE-122 CVE-2023-21689: Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability
Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability
nvd
CVE-2025-47987P3HIGHCVSS 7.8PoCfixed in 10.0.19044.60932025-07-08
CVE-2025-47987 [HIGH] CWE-122 CVE-2025-47987: Heap-based buffer overflow in Windows Cred SSProvider Protocol allows an authorized attacker to elev
Heap-based buffer overflow in Windows Cred SSProvider Protocol allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-47291P2CRITICALCVSS 9.8fixed in 10.0.19044.74172026-06-09
CVE-2026-47291 [CRITICAL] CWE-122 CVE-2026-47291: Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code o
Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network.
nvd
CVE-2023-21692P2CRITICALCVSS 9.8fixed in 10.0.19044.26042023-02-14
CVE-2023-21692 [CRITICAL] CWE-122 CVE-2023-21692: Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability
Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability
nvd
CVE-2025-54918P2HIGHCVSS 8.8fixed in 10.0.19044.63322025-09-09
CVE-2025-54918 [HIGH] CWE-287 CVE-2025-54918: Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a n
Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2025-55234P2CRITICALCVSS 9.8fixed in 10.0.19044.63322025-09-09
CVE-2025-55234 [CRITICAL] CWE-287 CVE-2025-55234: SMB Server might be susceptible to relay attacks depending on the configuration. An attacker who suc
SMB Server might be susceptible to relay attacks depending on the configuration. An attacker who successfully exploited these vulnerabilities could perform relay attacks and make the users subject to elevation of privilege attacks.
The SMB Server already supports mechanisms for hardening against relay attacks:
SMB Server signing
SMB Server Extend
nvd