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 123 of 146
CVE-2026-50394P4MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50394 [MEDIUM] CWE-200 CVE-2026-50394: Exposure of sensitive information to an unauthorized actor in Windows Media allows an authorized att
Exposure of sensitive information to an unauthorized actor in Windows Media allows an authorized attacker to disclose information locally.
nvd
CVE-2026-50434P4MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50434 [MEDIUM] CWE-200 CVE-2026-50434: Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an a
Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.
nvd
CVE-2026-50334P4MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50334 [MEDIUM] CWE-200 CVE-2026-50334: Exposure of sensitive information to an unauthorized actor in Windows Notification allows an authori
Exposure of sensitive information to an unauthorized actor in Windows Notification allows an authorized attacker to disclose information locally.
nvd
CVE-2026-50339P4MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50339 [MEDIUM] CWE-200 CVE-2026-50339: Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an a
Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.
nvd
CVE-2026-33842P4MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-33842 [MEDIUM] CWE-200 CVE-2026-33842: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
nvd
CVE-2026-50409P4MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50409 [MEDIUM] CWE-200 CVE-2026-50409: Exposure of sensitive information to an unauthorized actor in Windows Overlay Filter allows an autho
Exposure of sensitive information to an unauthorized actor in Windows Overlay Filter allows an authorized attacker to disclose information locally.
nvd
CVE-2026-50430P4MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50430 [MEDIUM] CWE-200 CVE-2026-50430: Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an a
Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.
nvd
CVE-2026-50442P4MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50442 [MEDIUM] CWE-200 CVE-2026-50442: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
nvd
CVE-2026-50473P4MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50473 [MEDIUM] CWE-200 CVE-2026-50473: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
nvd
CVE-2026-50456P4MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50456 [MEDIUM] CWE-200 CVE-2026-50456: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
nvd
CVE-2026-41087P4MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-41087 [MEDIUM] CWE-200 CVE-2026-41087: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
nvd
CVE-2026-32084P4MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-32084 [MEDIUM] CWE-200 CVE-2026-32084: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
nvd
CVE-2026-32079P4MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-32079 [MEDIUM] CWE-200 CVE-2026-32079: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
nvd
CVE-2026-50437P4MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50437 [MEDIUM] CWE-125 CVE-2026-50437: Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.
nvd
CVE-2025-21247P4MEDIUMCVSS 4.3≥ 10.0.19044.0, < 10.0.19044.56082025-03-11
CVE-2025-21247 [MEDIUM] CWE-41 CVE-2025-21247: Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to b
Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network.
nvd
CVE-2026-21249P4LOWCVSS 3.3≥ 10.0.19044.0, < 10.0.19044.69372026-02-10
CVE-2026-21249 [LOW] CWE-73 CVE-2026-21249: External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spo
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally.
nvd
CVE-2023-38254P4MEDIUMCVSS 6.5≥ 10.0.19043.0, < 10.0.19044.33242023-08-08
CVE-2023-38254 [MEDIUM] CWE-20 CVE-2023-38254: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
nvd
CVE-2025-21272P4MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21272 [MEDIUM] CWE-908 CVE-2025-21272: Windows COM Server Information Disclosure Vulnerability
Windows COM Server Information Disclosure Vulnerability
nvd
CVE-2025-21288P4MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21288 [MEDIUM] CWE-908 CVE-2025-21288: Windows COM Server Information Disclosure Vulnerability
Windows COM Server Information Disclosure Vulnerability
nvd
CVE-2022-21877P4MEDIUMCVSS 5.5≥ 10.0.19043.0, < 10.0.19044.14662022-01-11
CVE-2022-21877 [MEDIUM] CWE-125 CVE-2022-21877: Storage Spaces Controller Information Disclosure Vulnerability
Storage Spaces Controller Information Disclosure Vulnerability
nvd