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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 18 of 146
CVE-2025-21223P3HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21223 [HIGH] CWE-122 CVE-2025-21223: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability
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CVE-2024-43628P3HIGHCVSS 8.8≥ 10.0.19043.0, < 10.0.19044.51312024-11-12
CVE-2024-43628 [HIGH] CWE-190 CVE-2024-43628: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability
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CVE-2024-43635P3HIGHCVSS 8.8≥ 10.0.19043.0, < 10.0.19044.51312024-11-12
CVE-2024-43635 [HIGH] CWE-190 CVE-2024-43635: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability
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CVE-2024-43627P3HIGHCVSS 8.8≥ 10.0.19043.0, < 10.0.19044.51312024-11-12
CVE-2024-43627 [HIGH] CWE-122 CVE-2024-43627: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability
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CVE-2023-35303P3HIGHCVSS 8.8≥ 10.0.19043.0, < 10.0.19044.32082023-07-11
CVE-2023-35303 [HIGH] CWE-20 CVE-2023-35303: USB Audio Class System Driver Remote Code Execution Vulnerability USB Audio Class System Driver Remote Code Execution Vulnerability
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CVE-2023-35302P3HIGHCVSS 8.8≥ 10.0.19043.0, < 10.0.19044.32082023-07-11
CVE-2023-35302 [HIGH] CWE-122 CVE-2023-35302: Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability
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CVE-2023-35300P3HIGHCVSS 8.8≥ 10.0.19043.0, < 10.0.19044.32082023-07-11
CVE-2023-35300 [HIGH] CWE-416 CVE-2023-35300: Remote Procedure Call Runtime Remote Code Execution Vulnerability Remote Procedure Call Runtime Remote Code Execution Vulnerability
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CVE-2025-62549P3HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.66912025-12-09
CVE-2025-62549 [HIGH] CWE-822 CVE-2025-62549: Untrusted pointer dereference in Windows Routing and Remote Access Service (RRAS) allows an unauthor Untrusted pointer dereference in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.
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CVE-2026-47289P3HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
CVE-2026-47289 [HIGH] CWE-122 CVE-2026-47289: 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.
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CVE-2025-29840P3HIGHCVSS 8.8≥ 10.0.19044.0, < 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.
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CVE-2025-58718P3HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.64562025-10-14
CVE-2025-58718 [HIGH] CWE-416 CVE-2025-58718: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
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CVE-2026-40403P3HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.72912026-05-12
CVE-2026-40403 [HIGH] CWE-122 CVE-2026-40403: Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code lo Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code locally.
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CVE-2026-54982P3HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-54982 [HIGH] CWE-191 CVE-2026-54982: Integer underflow (wrap or wraparound) in Reliable Multicast Transport Driver (RMCAST) allows an una Integer underflow (wrap or wraparound) in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.
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CVE-2025-58722P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.64562025-10-14
CVE-2025-58722 [HIGH] CWE-122 CVE-2025-58722: Heap-based buffer overflow in Windows DWM allows an authorized attacker to elevate privileges locall Heap-based buffer overflow in Windows DWM allows an authorized attacker to elevate privileges locally.
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CVE-2026-20860P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.68092026-01-13
CVE-2026-20860 [HIGH] CWE-843 CVE-2026-20860: Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver f Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
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CVE-2026-56188P3HIGHCVSS 8.1≥ 10.0.19044.0, < 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.
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CVE-2025-47984P3HIGHCVSS 7.5≥ 10.0.19044.0, < 10.0.19044.60932025-07-08
CVE-2025-47984 [HIGH] CWE-693 CVE-2025-47984: Protection mechanism failure in Windows GDI allows an unauthorized attacker to disclose information Protection mechanism failure in Windows GDI allows an unauthorized attacker to disclose information over a network.
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CVE-2026-50686P3HIGHCVSS 8.1≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50686 [HIGH] CWE-843 CVE-2026-50686: Access of resource using incompatible type ('type confusion') in Windows OLE allows an unauthorized Access of resource using incompatible type ('type confusion') in Windows OLE allows an unauthorized attacker to execute code over a network.
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CVE-2025-62452P3HIGHCVSS 8.0≥ 10.0.19044.0, < 10.0.19044.65752025-11-11
CVE-2025-62452 [HIGH] CWE-122 CVE-2025-62452: Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
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CVE-2025-60715P3HIGHCVSS 8.0≥ 10.0.19044.0, < 10.0.19044.65752025-11-11
CVE-2025-60715 [HIGH] CWE-122 CVE-2025-60715: Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
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Microsoft Windows 10 Version 21H2 vulnerabilities | cvebase