Microsoft Windows 10 21H2 vulnerabilities
3,366 known vulnerabilities affecting microsoft/windows_10_21h2.
Total CVEs
3,366
CISA KEV
91
actively exploited
Public exploits
55
Exploited in wild
102
Severity breakdown
CRITICAL110HIGH2419MEDIUM828LOW9
Vulnerabilities
Page 25 of 169
CVE-2026-69913P3HIGHCVSS 8.1fixed in 10.0.19044.78072026-10-13
CVE-2026-69913 [HIGH] CWE-416 CVE-2026-69913: Use after free in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
Use after free in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-85799P3HIGHCVSS 8.1fixed in 10.0.19044.78072026-10-13
CVE-2026-85799 [HIGH] CWE-416 CVE-2026-85799: Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a
Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-56188P3HIGHCVSS 8.1fixed in 10.0.19044.75482026-07-14
CVE-2026-56188 [HIGH] CWE-362 CVE-2026-56188: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Network driver allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-45635P3HIGHCVSS 8.1fixed in 10.0.19044.74172026-06-09
CVE-2026-45635 [HIGH] CWE-843 CVE-2026-45635: Access of resource using incompatible type ('type confusion') in Universal Plug and Play (upnp.dll)
Access of resource using incompatible type ('type confusion') in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network.
nvd
CVE-2023-36434P3CRITICALCVSS 9.8fixed in 10.0.19041.35702023-10-10
CVE-2023-36434 [CRITICAL] CWE-307 CVE-2023-36434: Windows IIS Server Elevation of Privilege Vulnerability
Windows IIS Server Elevation of Privilege Vulnerability
nvd
CVE-2026-45599P3HIGHCVSS 8.1fixed in 10.0.19044.74172026-06-09
CVE-2026-45599 [HIGH] CWE-416 CVE-2026-45599: Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code
Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-68834P3HIGHCVSS 8.0fixed in 10.0.19044.77252026-09-08
CVE-2026-68834 [HIGH] CWE-121 CVE-2026-68834: Stack-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges over
Stack-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-68838P3HIGHCVSS 8.0fixed in 10.0.19044.77252026-09-08
CVE-2026-68838 [HIGH] CWE-121 CVE-2026-68838: Stack-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges over
Stack-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-68880P3HIGHCVSS 8.0fixed in 10.0.19044.77252026-09-08
CVE-2026-68880 [HIGH] CWE-122 CVE-2026-68880: Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges ove
Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-68878P3HIGHCVSS 8.0fixed in 10.0.19044.77252026-09-08
CVE-2026-68878 [HIGH] CWE-121 CVE-2026-68878: Stack-based buffer overflow in Windows Fast FAT Driver allows an authorized attacker to elevate priv
Stack-based buffer overflow in Windows Fast FAT Driver allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-69875P3HIGHCVSS 8.0fixed in 10.0.19044.77252026-09-08
CVE-2026-69875 [HIGH] CWE-122 CVE-2026-69875: Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges over
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-69481P3HIGHCVSS 8.0fixed in 10.0.19044.77252026-09-08
CVE-2026-69481 [HIGH] CWE-122 CVE-2026-69481: Heap-based buffer overflow in Windows Enterprise App Management allows an authorized attacker to ele
Heap-based buffer overflow in Windows Enterprise App Management allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-69503P3HIGHCVSS 8.0fixed in 10.0.19044.77252026-09-08
CVE-2026-69503 [HIGH] CWE-121 CVE-2026-69503: Stack-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privilege
Stack-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-69301P3HIGHCVSS 8.0fixed in 10.0.19044.77252026-09-08
CVE-2026-69301 [HIGH] CWE-121 CVE-2026-69301: Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges ov
Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-69418P3HIGHCVSS 8.0fixed in 10.0.19044.77252026-09-08
CVE-2026-69418 [HIGH] CWE-122 CVE-2026-69418: Heap-based buffer overflow in Volume Manager Driver allows an authorized attacker to elevate privile
Heap-based buffer overflow in Volume Manager Driver allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-61352P3HIGHCVSS 8.1fixed in 10.0.19044.76632026-08-11
CVE-2026-61352 [HIGH] CWE-362 CVE-2026-61352: Concurrent execution using shared resource with improper synchronization ('race condition') in Remot
Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69429P3HIGHCVSS 7.5fixed in 10.0.19044.77252026-09-08
CVE-2026-69429 [HIGH] CWE-122 CVE-2026-69429: Heap-based buffer overflow in Windows IKE Extension allows an authorized attacker to execute code ov
Heap-based buffer overflow in Windows IKE Extension allows an authorized attacker to execute code over a network.
nvd
CVE-2023-24871P3HIGHCVSS 8.8fixed in 10.0.19044.27282023-03-14
CVE-2023-24871 [HIGH] CWE-190 CVE-2023-24871: Windows Bluetooth Service Remote Code Execution Vulnerability
Windows Bluetooth Service Remote Code Execution Vulnerability
nvd
CVE-2026-24289P3HIGHCVSS 7.8fixed in 10.0.19044.70582026-03-10
CVE-2026-24289 [HIGH] CWE-416 CVE-2026-24289: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2024-21440P3HIGHCVSS 8.8fixed in 10.0.19044.42912024-03-12
CVE-2024-21440 [HIGH] CWE-197 CVE-2024-21440: Microsoft ODBC Driver Remote Code Execution Vulnerability
Microsoft ODBC Driver Remote Code Execution Vulnerability
nvd