cbcvebase.

Microsoft Windows 10 Version 21H2 vulnerabilities

2,906 known vulnerabilities affecting microsoft/windows_10_version_21h2.

Total CVEs
2,906
CISA KEV
95
actively exploited
Public exploits
67
Exploited in wild
123
Severity breakdown
CRITICAL79HIGH2093MEDIUM721LOW13

Vulnerabilities

Page 16 of 146
CVE-2026-54999P3HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-54999 [HIGH] CWE-362 CVE-2026-54999: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized attacker to execute code over an adjacent network.
nvd
CVE-2026-40398P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.72912026-05-12
CVE-2026-40398 [HIGH] CWE-122 CVE-2026-40398: Heap-based buffer overflow in Windows Remote Desktop allows an authorized attacker to elevate privil Heap-based buffer overflow in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50387P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50387 [HIGH] CWE-121 CVE-2026-50387: Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges local Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally.
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CVE-2026-54986P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-54986 [HIGH] CWE-122 CVE-2026-54986: Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-33837P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.72912026-05-12
CVE-2026-33837 [HIGH] CWE-122 CVE-2026-33837: Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50375P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50375 [HIGH] CWE-122 CVE-2026-50375: Heap-based buffer overflow in Windows DirectX allows an authorized attacker to elevate privileges lo Heap-based buffer overflow in Windows DirectX allows an authorized attacker to elevate privileges locally.
nvd
CVE-2021-43215P3CRITICALCVSS 9.8≥ 10.0.0, < 10.0.19044.14152021-12-15
CVE-2021-43215 [CRITICAL] CWE-787 CVE-2021-43215: iSNS Server Memory Corruption Vulnerability Can Lead to Remote Code Execution iSNS Server Memory Corruption Vulnerability Can Lead to Remote Code Execution
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CVE-2026-56649P3HIGHCVSS 8.1≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-56649 [HIGH] CWE-362 CVE-2026-56649: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Network File System allows an unauthorized attacker to execute code over a network.
nvd
CVE-2022-21881P3HIGHCVSS 7.8≥ 10.0.19043.0, < 10.0.19044.14662022-01-11
CVE-2022-21881 [HIGH] CWE-362 CVE-2022-21881: Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Elevation of Privilege Vulnerability
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CVE-2022-26927P3HIGHCVSS 8.8≥ 10.0.19043.0, < 10.0.19043.17062022-05-10
CVE-2022-26927 [HIGH] CVE-2022-26927: Windows Graphics Component Remote Code Execution Vulnerability Windows Graphics Component Remote Code Execution Vulnerability
nvd
CVE-2023-24949P3HIGHCVSS 7.8≥ 10.0.19043.0, < 10.0.19044.29652023-05-09
CVE-2023-24949 [HIGH] CWE-190 CVE-2023-24949: Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Elevation of Privilege Vulnerability
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CVE-2025-54110P3HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-54110 [HIGH] CWE-190 CVE-2025-54110: Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-49795P3HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-49795 [HIGH] CWE-416 CVE-2026-49795: 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-2024-26205P3HIGHCVSS 8.8≥ 10.0.19043.0, < 10.0.19044.42912024-04-09
CVE-2024-26205 [HIGH] CWE-122 CVE-2024-26205: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
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CVE-2024-26200P3HIGHCVSS 8.8≥ 10.0.19043.0, < 10.0.19044.42912024-04-09
CVE-2024-26200 [HIGH] CWE-122 CVE-2024-26200: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
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CVE-2024-26179P3HIGHCVSS 8.8≥ 10.0.19043.0, < 10.0.19044.42912024-04-09
CVE-2024-26179 [HIGH] CWE-122 CVE-2024-26179: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
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CVE-2024-30009P3HIGHCVSS 8.8≥ 10.0.19043.0, < 10.0.19044.44122024-05-14
CVE-2024-30009 [HIGH] CWE-197 CVE-2024-30009: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
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CVE-2024-49104P3HIGHCVSS 8.8≥ 10.0.19043.0, < 10.0.19044.52472024-12-12
CVE-2024-49104 [HIGH] CWE-122 CVE-2024-49104: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
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CVE-2024-49102P3HIGHCVSS 8.8≥ 10.0.19043.0, < 10.0.19044.52472024-12-12
CVE-2024-49102 [HIGH] CWE-122 CVE-2024-49102: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
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CVE-2025-21244P3HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21244 [HIGH] CWE-190 CVE-2025-21244: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability
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