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Microsoft Windows 10 21H2 vulnerabilities

1,827 known vulnerabilities affecting microsoft/windows_10_21h2.

Total CVEs
1,827
CISA KEV
87
actively exploited
Public exploits
54
Exploited in wild
97
Severity breakdown
CRITICAL44HIGH1303MEDIUM473LOW7

Vulnerabilities

Page 69 of 92
CVE-2025-54094P3MEDIUMCVSS 6.7fixed in 10.0.19044.63322025-09-09
CVE-2025-54094 [MEDIUM] CWE-843 CVE-2025-54094: Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service a Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-27925P4MEDIUMCVSS 6.5fixed in 10.0.19044.71842026-04-14
CVE-2026-27925 [MEDIUM] CWE-416 CVE-2026-27925: Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to disclose information over an adjacent network.
nvd
CVE-2023-24859P3HIGHCVSS 7.5fixed in 10.0.19044.27282023-03-14
CVE-2023-24859 [HIGH] CWE-476 CVE-2023-24859: Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
nvd
CVE-2023-21811P3HIGHCVSS 7.5fixed in 10.0.19044.26042023-02-14
CVE-2023-21811 [HIGH] CWE-126 CVE-2023-21811: Windows iSCSI Service Denial of Service Vulnerability Windows iSCSI Service Denial of Service Vulnerability
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CVE-2023-21700P3HIGHCVSS 7.5fixed in 10.0.19044.26042023-02-14
CVE-2023-21700 [HIGH] CWE-476 CVE-2023-21700: Windows iSCSI Discovery Service Denial of Service Vulnerability Windows iSCSI Discovery Service Denial of Service Vulnerability
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CVE-2023-21702P3HIGHCVSS 7.5fixed in 10.0.19044.26042023-02-14
CVE-2023-21702 [HIGH] CWE-125 CVE-2023-21702: Windows iSCSI Service Denial of Service Vulnerability Windows iSCSI Service Denial of Service Vulnerability
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CVE-2023-35330P4HIGHCVSS 7.5fixed in 10.0.19041.32082023-07-11
CVE-2023-35330 [HIGH] CWE-126 CVE-2023-35330: Windows Extended Negotiation Denial of Service Vulnerability Windows Extended Negotiation Denial of Service Vulnerability
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CVE-2023-20588P4MEDIUMCVSS 5.5fixed in 10.0.19044.38032023-08-08
CVE-2023-20588 [MEDIUM] CWE-369 CVE-2023-20588: A division-by-zero error on some AMD processors can potentially return speculative data resulting i A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
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CVE-2023-32044P3HIGHCVSS 7.5fixed in 10.0.19041.32082023-07-11
CVE-2023-32044 [HIGH] CWE-125 CVE-2023-32044: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
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CVE-2023-32045P3HIGHCVSS 7.5fixed in 10.0.19041.32082023-07-11
CVE-2023-32045 [HIGH] CWE-125 CVE-2023-32045: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
nvd
CVE-2023-36427P3HIGHCVSS 7.0fixed in 10.0.19041.36932023-11-14
CVE-2023-36427 [HIGH] CVE-2023-36427: Windows Hyper-V Elevation of Privilege Vulnerability Windows Hyper-V Elevation of Privilege Vulnerability
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CVE-2024-20659P4HIGHCVSS 7.1fixed in 10.0.19044.50112024-10-08
CVE-2024-20659 [HIGH] CWE-20 CVE-2024-20659: Windows Hyper-V Security Feature Bypass Vulnerability Windows Hyper-V Security Feature Bypass Vulnerability
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CVE-2024-49082P4MEDIUMCVSS 6.8fixed in 10.0.19044.52472024-12-12
CVE-2024-49082 [MEDIUM] CWE-22 CVE-2024-49082: Windows File Explorer Information Disclosure Vulnerability Windows File Explorer Information Disclosure Vulnerability
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CVE-2024-21314P3MEDIUMCVSS 6.5fixed in 10.0.19044.39302024-01-09
CVE-2024-21314 [MEDIUM] CWE-125 CVE-2024-21314: Microsoft Message Queuing Information Disclosure Vulnerability Microsoft Message Queuing Information Disclosure Vulnerability
nvd
CVE-2024-20660P4MEDIUMCVSS 6.5fixed in 10.0.19044.39302024-01-09
CVE-2024-20660 [MEDIUM] CWE-125 CVE-2024-20660: Microsoft Message Queuing Information Disclosure Vulnerability Microsoft Message Queuing Information Disclosure Vulnerability
nvd
CVE-2024-20680P4MEDIUMCVSS 6.5fixed in 10.0.19044.39302024-01-09
CVE-2024-20680 [MEDIUM] CWE-822 CVE-2024-20680: Windows Message Queuing Client (MSMQC) Information Disclosure Windows Message Queuing Client (MSMQC) Information Disclosure
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CVE-2024-20664P3MEDIUMCVSS 6.5fixed in 10.0.19044.39302024-01-09
CVE-2024-20664 [MEDIUM] CWE-822 CVE-2024-20664: Microsoft Message Queuing Information Disclosure Vulnerability Microsoft Message Queuing Information Disclosure Vulnerability
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CVE-2024-20663P4MEDIUMCVSS 6.5fixed in 10.0.19044.39302024-01-09
CVE-2024-20663 [MEDIUM] CWE-822 CVE-2024-20663: Windows Message Queuing Client (MSMQC) Information Disclosure Windows Message Queuing Client (MSMQC) Information Disclosure
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CVE-2024-38022P4HIGHCVSS 7.0fixed in 10.0.19044.46512024-07-09
CVE-2024-38022 [HIGH] CWE-59 CVE-2024-38022: Windows Image Acquisition Elevation of Privilege Vulnerability Windows Image Acquisition Elevation of Privilege Vulnerability
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CVE-2023-36403P4HIGHCVSS 7.0fixed in 10.0.19041.36932023-11-14
CVE-2023-36403 [HIGH] CWE-591 CVE-2023-36403: Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Elevation of Privilege Vulnerability
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Microsoft Windows 10 21H2 vulnerabilities | cvebase