Microsoft Windows 10 21H2 vulnerabilities
3,745 known vulnerabilities affecting microsoft/windows_10_21h2.
Total CVEs
3,745
CISA KEV
91
actively exploited
Public exploits
55
Exploited in wild
102
Severity breakdown
CRITICAL123HIGH2691MEDIUM922LOW9
Vulnerabilities
Page 128 of 188
CVE-2026-85802P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-85802 [HIGH] CWE-416 CVE-2026-85802: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83749P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-83749 [HIGH] CWE-416 CVE-2026-83749: Use after free in Windows Overlay Filter allows an authorized attacker to elevate privileges locally
Use after free in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85810P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-85810 [HIGH] CWE-416 CVE-2026-85810: Use after free in Windows Telephony Server allows an authorized attacker to elevate privileges local
Use after free in Windows Telephony Server allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85367P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-85367 [HIGH] CWE-416 CVE-2026-85367: Use after free in Windows Cash Drawer Protocol Provider allows an authorized attacker to elevate pri
Use after free in Windows Cash Drawer Protocol Provider allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85352P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-85352 [HIGH] CWE-416 CVE-2026-85352: Use after free in Windows Device Association Service allows an authorized attacker to elevate privil
Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85826P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-85826 [HIGH] CWE-787 CVE-2026-85826: Out-of-bounds write in Windows Fast FAT Driver allows an authorized attacker to elevate privileges l
Out-of-bounds write in Windows Fast FAT Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85342P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-85342 [HIGH] CWE-416 CVE-2026-85342: Use after free in Windows Device Association Service allows an authorized attacker to elevate privil
Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-84020P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-84020 [HIGH] CWE-416 CVE-2026-84020: Use after free in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to
Use after free in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-88161P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-88161 [HIGH] CWE-416 CVE-2026-88161: Use after free in Windows Local Security Authority (LSA) allows an authorized attacker to elevate pr
Use after free in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85918P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-85918 [HIGH] CWE-416 CVE-2026-85918: Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker t
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-62573P3HIGHCVSS 7.0fixed in 10.0.19044.66912025-12-09
CVE-2025-62573 [HIGH] CWE-362 CVE-2025-62573: Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally.
Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-40410P3HIGHCVSS 7.0fixed in 10.0.19044.72912026-05-12
CVE-2026-40410 [HIGH] CWE-416 CVE-2026-40410: Use after free in Windows SMB Client allows an authorized attacker to elevate privileges locally.
Use after free in Windows SMB Client allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-81971P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-81971 [HIGH] CWE-362 CVE-2026-81971: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows NTFS allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-42911P3HIGHCVSS 7.0fixed in 10.0.19044.74172026-06-09
CVE-2026-42911 [HIGH] CWE-416 CVE-2026-42911: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-34335P3HIGHCVSS 7.0fixed in 10.0.19044.74172026-06-09
CVE-2026-34335 [HIGH] CWE-416 CVE-2026-34335: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69766P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-69766 [HIGH] CWE-362 CVE-2026-69766: Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83879P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-83879 [HIGH] CWE-362 CVE-2026-83879: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69763P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-69763 [HIGH] CWE-362 CVE-2026-69763: Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69935P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-69935 [HIGH] CWE-362 CVE-2026-69935: Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69931P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-69931 [HIGH] CWE-362 CVE-2026-69931: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Storage allows an authorized attacker to elevate privileges locally.
nvd