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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
124
Severity breakdown
CRITICAL79HIGH2093MEDIUM721LOW13

Vulnerabilities

Page 82 of 146
CVE-2026-32087P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-32087 [HIGH] CWE-122 CVE-2026-32087: Heap-based buffer overflow in Function Discovery Service (fdwsd.dll) allows an authorized attacker t Heap-based buffer overflow in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.
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CVE-2025-50166P3MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.62162025-08-12
CVE-2025-50166 [MEDIUM] CWE-190 CVE-2025-50166: Integer overflow or wraparound in Windows Distributed Transaction Coordinator allows an authorized a Integer overflow or wraparound in Windows Distributed Transaction Coordinator allows an authorized attacker to disclose information over a network.
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CVE-2024-30084P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.45292024-06-11
CVE-2024-30084 [HIGH] CWE-367 CVE-2024-30084: Windows Kernel-Mode Driver Elevation of Privilege Vulnerability Windows Kernel-Mode Driver Elevation of Privilege Vulnerability
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CVE-2025-62473P3MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.66912025-12-09
CVE-2025-62473 [MEDIUM] CWE-126 CVE-2025-62473: Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
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CVE-2025-64670P3MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.66912025-12-09
CVE-2025-64670 [MEDIUM] CWE-200 CVE-2025-64670: Exposure of sensitive information to an unauthorized actor in Microsoft Graphics Component allows an Exposure of sensitive information to an unauthorized actor in Microsoft Graphics Component allows an authorized attacker to disclose information over a network.
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CVE-2026-42907P3MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
CVE-2026-42907 [MEDIUM] CWE-200 CVE-2026-42907: Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized att Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose information over a network.
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CVE-2025-59244P3MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.64562025-10-14
CVE-2025-59244 [MEDIUM] CWE-73 CVE-2025-59244: External control of file name or path in Windows Core Shell allows an unauthorized attacker to perfo External control of file name or path in Windows Core Shell allows an unauthorized attacker to perform spoofing over a network.
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CVE-2026-34348P3MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-34348 [MEDIUM] CWE-693 CVE-2026-34348: Protection mechanism failure in Windows Event Logging Service allows an authorized attacker to discl Protection mechanism failure in Windows Event Logging Service allows an authorized attacker to disclose information over a network.
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CVE-2026-50302P3MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50302 [MEDIUM] CWE-295 CVE-2026-50302: Improper certificate validation in Windows Cryptographic Services allows an unauthorized attacker to Improper certificate validation in Windows Cryptographic Services allows an unauthorized attacker to bypass a security feature over a network.
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CVE-2025-29809P3HIGHCVSS 7.1≥ 10.0.19044.0, < 10.0.19044.57372025-04-08
CVE-2025-29809 [HIGH] CWE-922 CVE-2025-29809: Insecure storage of sensitive information in Windows Kerberos allows an authorized attacker to bypas Insecure storage of sensitive information in Windows Kerberos allows an authorized attacker to bypass a security feature locally.
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CVE-2021-43236P3HIGHCVSS 7.5≥ 10.0.0, < 10.0.19044.14152021-12-15
CVE-2021-43236 [HIGH] CVE-2021-43236: Microsoft Message Queuing Information Disclosure Vulnerability Microsoft Message Queuing Information Disclosure Vulnerability
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CVE-2021-43222P3HIGHCVSS 7.5≥ 10.0.0, < 10.0.19044.14152021-12-15
CVE-2021-43222 [HIGH] CVE-2021-43222: Microsoft Message Queuing Information Disclosure Vulnerability Microsoft Message Queuing Information Disclosure Vulnerability
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CVE-2024-21438P3HIGHCVSS 7.5≥ 10.0.19043.0, < 10.0.19044.41702024-03-12
CVE-2024-21438 [HIGH] CWE-369 CVE-2024-21438: Microsoft AllJoyn API Denial of Service Vulnerability Microsoft AllJoyn API Denial of Service Vulnerability
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CVE-2023-36709P3HIGHCVSS 7.5≥ 10.0.19043.0, < 10.0.19041.35702023-10-10
CVE-2023-36709 [HIGH] CWE-476 CVE-2023-36709: Microsoft AllJoyn API Denial of Service Vulnerability Microsoft AllJoyn API Denial of Service Vulnerability
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CVE-2024-38068P3HIGHCVSS 7.5≥ 10.0.19043.0, < 10.0.19044.46512024-07-09
CVE-2024-38068 [HIGH] CWE-400 CVE-2024-38068: Windows Online Certificate Status Protocol (OCSP) Server Denial of Service Vulnerability Windows Online Certificate Status Protocol (OCSP) Server Denial of Service Vulnerability
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CVE-2024-20687P3HIGHCVSS 7.5≥ 10.0.19043.0, < 10.0.19044.39302024-01-09
CVE-2024-20687 [HIGH] CWE-125 CVE-2024-20687: Microsoft AllJoyn API Denial of Service Vulnerability Microsoft AllJoyn API Denial of Service Vulnerability
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CVE-2025-21351P3HIGHCVSS 7.5≥ 10.0.19044.0, < 10.0.19044.54872025-02-11
CVE-2025-21351 [HIGH] CWE-400 CVE-2025-21351: Windows Active Directory Domain Services API Denial of Service Vulnerability Windows Active Directory Domain Services API Denial of Service Vulnerability
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CVE-2024-49121P3HIGHCVSS 7.5≥ 10.0.19043.0, < 10.0.19044.52472024-12-12
CVE-2024-49121 [HIGH] CWE-476 CVE-2024-49121: Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability
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CVE-2023-36003P3HIGHCVSS 7.3≥ 10.0.19043.0, < 10.0.19041.38032023-12-12
CVE-2023-36003 [HIGH] CWE-426 CVE-2023-36003: XAML Diagnostics Elevation of Privilege Vulnerability XAML Diagnostics Elevation of Privilege Vulnerability
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CVE-2024-43515P3HIGHCVSS 7.5≥ 10.0.19043.0, < 10.0.19044.50112024-10-08
CVE-2024-43515 [HIGH] CWE-400 CVE-2024-43515: Internet Small Computer Systems Interface (iSCSI) Denial of Service Vulnerability Internet Small Computer Systems Interface (iSCSI) Denial of Service Vulnerability
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Microsoft Windows 10 Version 21H2 vulnerabilities | cvebase