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 24 of 169
CVE-2026-45602P3CRITICALCVSS 9.1fixed in 10.0.19044.74172026-06-09
CVE-2026-45602 [CRITICAL] CWE-349 CVE-2026-45602: No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering ov
No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network.
nvd
CVE-2025-29840P3HIGHCVSS 8.8fixed in 10.0.19044.58542025-05-13
CVE-2025-29840 [HIGH] CWE-121 CVE-2025-29840: Stack-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a
Stack-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69521P3HIGHCVSS 8.8fixed in 10.0.19044.78072026-10-13
CVE-2026-69521 [HIGH] CWE-190 CVE-2026-69521: Integer overflow or wraparound in Windows iSCSI allows an unauthorized attacker to execute code over
Integer overflow or wraparound in Windows iSCSI allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69619P3HIGHCVSS 8.8fixed in 10.0.19044.77252026-09-08
CVE-2026-69619 [HIGH] CWE-125 CVE-2026-69619: Out-of-bounds read in Windows exFAT File System allows an authorized attacker to elevate privileges
Out-of-bounds read in Windows exFAT File System allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-96917P3HIGHCVSS 8.8fixed in 10.0.19044.78072026-10-13
CVE-2026-96917 [HIGH] CWE-122 CVE-2026-96917: Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attacker to elevate privil
Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83996P3HIGHCVSS 8.8fixed in 10.0.19044.77252026-09-08
CVE-2026-83996 [HIGH] CWE-122 CVE-2026-83996: Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privi
Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-21294P3HIGHCVSS 8.1fixed in 10.0.19044.53712025-01-14
CVE-2025-21294 [HIGH] CWE-591 CVE-2025-21294: Microsoft Digest Authentication Remote Code Execution Vulnerability
Microsoft Digest Authentication Remote Code Execution Vulnerability
nvd
CVE-2026-40415P3HIGHCVSS 8.1fixed in 10.0.19044.72912026-05-12
CVE-2026-40415 [HIGH] CWE-416 CVE-2026-40415: 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-2026-108460P3HIGHCVSS 8.1fixed in 10.0.19044.78072026-10-13
CVE-2026-108460 [HIGH] CWE-416 CVE-2026-108460: Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a net
Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-70038P3HIGHCVSS 8.1fixed in 10.0.19044.78072026-10-13
CVE-2026-70038 [HIGH] CWE-122 CVE-2026-70038: Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network.
Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69524P3HIGHCVSS 8.1fixed in 10.0.19044.77252026-09-08
CVE-2026-69524 [HIGH] CWE-416 CVE-2026-69524: Use after free in Active Directory Domain Services allows an unauthorized attacker to execute code o
Use after free in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69546P3HIGHCVSS 8.1fixed in 10.0.19044.77252026-09-08
CVE-2026-69546 [HIGH] CWE-416 CVE-2026-69546: Use after free in Active Directory Domain Services allows an unauthorized attacker to execute code o
Use after free in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-83997P3HIGHCVSS 8.1fixed in 10.0.19044.77252026-09-08
CVE-2026-83997 [HIGH] CWE-416 CVE-2026-83997: Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a net
Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69732P3HIGHCVSS 8.1fixed in 10.0.19044.77252026-09-08
CVE-2026-69732 [HIGH] CWE-122 CVE-2026-69732: Heap-based buffer overflow in Windows Link Layer Topology Discovery Protocol allows an unauthorized
Heap-based buffer overflow in Windows Link Layer Topology Discovery Protocol allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69325P3HIGHCVSS 8.1fixed in 10.0.19044.77252026-09-08
CVE-2026-69325 [HIGH] CWE-122 CVE-2026-69325: Heap-based buffer overflow in Microsoft JScript allows an unauthorized attacker to execute code over
Heap-based buffer overflow in Microsoft JScript allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-62781P3HIGHCVSS 8.1fixed in 10.0.19044.76632026-08-11
CVE-2026-62781 [HIGH] CWE-122 CVE-2026-62781: Heap-based buffer overflow in RPC Runtime allows an unauthorized attacker to execute code over a net
Heap-based buffer overflow in RPC Runtime allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-62819P3HIGHCVSS 8.1fixed in 10.0.19044.76632026-08-11
CVE-2026-62819 [HIGH] CWE-416 CVE-2026-62819: Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
nvd
CVE-2026-70570P3HIGHCVSS 8.1fixed in 10.0.19044.77252026-09-08
CVE-2026-70570 [HIGH] CWE-416 CVE-2026-70570: Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
nvd
CVE-2026-59134P3HIGHCVSS 8.1fixed in 10.0.19044.76632026-08-11
CVE-2026-59134 [HIGH] CWE-20 CVE-2026-59134: Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-61363P3HIGHCVSS 8.1fixed in 10.0.19044.76632026-08-11
CVE-2026-61363 [HIGH] CWE-20 CVE-2026-61363: Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd