← Back

Windows 10 21h2

windows_10_21h2

Vendor: Microsoft • 2,499 CVEs

CVEs (2,499)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Improper authentication in Windows Storage allows an authorized attacker to elevate privileges locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Improper access control in Windows Hyper-V allows an authorized attacker to bypass a security feature locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
3.3 LOW· v3
N/A· v2
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.3 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.3 HIGH· v3
N/A· v2
Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.3 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
1Microsoft
8Windows 10 21h2
Windows 10 22h2Windows 11 23h2+5 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
1Microsoft
10Windows 10 1809
Windows 10 21h2Windows 10 22h2+7 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Time-of-check time-of-use (toctou) race condition in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
1Microsoft
8Windows 10 21h2
Windows 10 22h2Windows 11 23h2+5 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
1Microsoft
9Windows 10 1607
Windows 10 1809Windows 10 21h2+6 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.3 HIGH· v3
N/A· v2
Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
1Microsoft
10Windows 10 1809
Windows 10 21h2Windows 10 22h2+7 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected Devices Platform Service allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jun 17, 2026
Feb 10, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.