Microsoft Windows 10 21H2 vulnerabilities

1,584 known vulnerabilities affecting microsoft/windows_10_21h2.

Total CVEs
1,584
CISA KEV
86
actively exploited
Public exploits
31
Exploited in wild
55
Severity breakdown
CRITICAL39HIGH1118MEDIUM421LOW6

Vulnerabilities

Page 12 of 80
CVE-2025-58722HIGHCVSS 7.8fixed in 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.
nvd
CVE-2025-58715HIGHCVSS 8.8fixed in 10.0.19044.64562025-10-14
CVE-2025-58715 [HIGH] CWE-190 CVE-2025-58715: Integer overflow or wraparound in Microsoft Windows Speech allows an authorized attacker to elevate Integer overflow or wraparound in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-58736HIGHCVSS 7.0fixed in 10.0.19044.64562025-10-14
CVE-2025-58736 [HIGH] CWE-416 CVE-2025-58736: Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally. Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-58734HIGHCVSS 7.0fixed in 10.0.19044.64562025-10-14
CVE-2025-58734 [HIGH] CWE-416 CVE-2025-58734: Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally. Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-58716HIGHCVSS 8.8fixed in 10.0.19044.64562025-10-14
CVE-2025-58716 [HIGH] CWE-20 CVE-2025-58716: Improper input validation in Microsoft Windows Speech allows an authorized attacker to elevate privi Improper input validation in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-55685HIGHCVSS 7.0fixed in 10.0.19044.64562025-10-14
CVE-2025-55685 [HIGH] CWE-416 CVE-2025-55685: Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges l Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-59195HIGHCVSS 7.0fixed in 10.0.19044.64562025-10-14
CVE-2025-59195 [HIGH] CWE-362 CVE-2025-59195: Concurrent execution using shared resource with improper synchronization ('race condition') in Micro Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Graphics Component allows an authorized attacker to deny service locally.
nvd
CVE-2025-55689HIGHCVSS 7.0fixed in 10.0.19044.64562025-10-14
CVE-2025-55689 [HIGH] CWE-416 CVE-2025-55689: Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges l Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-59201HIGHCVSS 7.8fixed in 10.0.19044.64562025-10-14
CVE-2025-59201 [HIGH] CWE-284 CVE-2025-59201: Improper access control in Network Connection Status Indicator (NCSI) allows an authorized attacker Improper access control in Network Connection Status Indicator (NCSI) allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-58714HIGHCVSS 7.8fixed in 10.0.19044.64562025-10-14
CVE-2025-58714 [HIGH] CWE-284 CVE-2025-58714: Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attack Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-58733HIGHCVSS 7.0fixed in 10.0.19044.64562025-10-14
CVE-2025-58733 [HIGH] CWE-416 CVE-2025-58733: Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally. Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-59254HIGHCVSS 7.8PoCfixed in 10.0.19044.64562025-10-14
CVE-2025-59254 [HIGH] CWE-122 CVE-2025-59254: Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate priv Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-59199HIGHCVSS 7.8fixed in 10.0.19044.64562025-10-14
CVE-2025-59199 [HIGH] CWE-284 CVE-2025-59199: Improper access control in Software Protection Platform (SPP) allows an authorized attacker to eleva Improper access control in Software Protection Platform (SPP) allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-55681HIGHCVSS 7.8fixed in 10.0.19044.64562025-10-14
CVE-2025-55681 [HIGH] CWE-125 CVE-2025-55681: Out-of-bounds read in Windows DWM allows an authorized attacker to elevate privileges locally. Out-of-bounds read in Windows DWM allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-58735HIGHCVSS 7.0fixed in 10.0.19044.64562025-10-14
CVE-2025-58735 [HIGH] CWE-416 CVE-2025-58735: Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally. Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-24052HIGHCVSS 7.8fixed in 10.0.19044.64562025-10-14
CVE-2025-24052 [HIGH] CWE-121 CVE-2025-24052: Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware dependent on this specific driver will no longer work on Window
nvd
CVE-2025-58718HIGHCVSS 8.8fixed in 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.
nvd
CVE-2025-55680HIGHCVSS 7.0fixed in 10.0.19044.64562025-10-14
CVE-2025-55680 [HIGH] CWE-367 CVE-2025-55680: Time-of-check time-of-use (toctou) race condition in Windows Cloud Files Mini Filter Driver allows a Time-of-check time-of-use (toctou) race condition in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-55328HIGHCVSS 7.0fixed in 10.0.19044.64562025-10-14
CVE-2025-55328 [HIGH] CWE-362 CVE-2025-55328: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-55696HIGHCVSS 7.0fixed in 10.0.19044.64562025-10-14
CVE-2025-55696 [HIGH] CWE-367 CVE-2025-55696: Time-of-check time-of-use (toctou) race condition in NtQueryInformation Token function (ntifs.h) all Time-of-check time-of-use (toctou) race condition in NtQueryInformation Token function (ntifs.h) allows an authorized attacker to elevate privileges locally.
nvd