Microsoft Windows 10 21h2 vulnerabilities
🔔 Create alert RSS Version checker
Published CVEs affecting Microsoft Windows 10 21h2: 2551 record(s), with affected versions and fixes.cpe:2.3:o:microsoft:windows_10_21h2
CVE-2026-50491
High · 7.8
CWE-125 Jul 14, 2026
Code Integrity DLL (ci.dll) Elevation of Privilege Vulnerability
Out-of-bounds read in Code Integrity DLL (ci.dll) allows an authorized attacker to elevate privileges locally.
CVE-2026-50490
High · 7.8
CWE-416 Jul 14, 2026
Windows Installer Elevation of Privilege Vulnerability
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-50489
High · 7.8
CWE-122 Jul 14, 2026
Win32k Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-50486
High · 7.8
CWE-416 Jul 14, 2026
Windows Runtime Elevation of Privilege Vulnerability
Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.
CVE-2026-50485
Medium · 5.7
CWE-126 Jul 14, 2026
Windows Hyper-V Denial of Service Vulnerability
Buffer over-read in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.
CVE-2026-50484
High · 7.8
CWE-122 Jul 14, 2026
Windows Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-50482
High · 7.8
CWE-122 Jul 14, 2026
Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
CVE-2026-50479
High · 7.8
CWE-822 Jul 14, 2026
Windows USB Hub Driver Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows USB Hub Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-50478
High · 7.8
CWE-416 Jul 14, 2026
Windows Kernel Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-50477
High · 7.8
CWE-122 Jul 14, 2026
Windows Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-50476
High · 7.8
CWE-416 Jul 14, 2026
Windows Network Connections Service Elevation of Privilege Vulnerability
Use after free in Microsoft Windows allows an authorized attacker to elevate privileges locally.
CVE-2026-50475
Medium · 5.5
CWE-126 Jul 14, 2026
Windows Kernel Information Disclosure Vulnerability
Buffer over-read in Windows Kernel allows an authorized attacker to disclose information locally.
CVE-2026-50474
High · 8.8
CWE-416 Jul 14, 2026
Remote Desktop Client Remote Code Execution Vulnerability
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-50473
Medium · 5.5
CWE-200 Jul 14, 2026
Windows File Explorer Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
CVE-2026-50471
High · 7.8
CWE-122 Jul 14, 2026
Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
CVE-2026-50470
High · 7.5
CWE-125 Jul 14, 2026
Windows Network Policy Server SNMP Information Disclosure Vulnerability
Out-of-bounds read in Windows Network Policy Server SNMP allows an unauthorized attacker to disclose information over a network.
CVE-2026-50469
High · 7.8
CWE-59 Jul 14, 2026
Windows Projected File System Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in Windows Projected File System allows an authorized attacker to elevate privileges locally.
CVE-2026-50463
High · 7.5
CWE-125 Jul 14, 2026
Windows Kernel Information Disclosure Vulnerability
Out-of-bounds read in Windows Kernel allows an unauthorized attacker to disclose information over a network.
CVE-2026-50462
High · 7.8
CWE-73 Jul 14, 2026
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
External control of file name or path in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-50460
High · 8.1
CWE-362 Jul 14, 2026
Windows Runtime Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-50459
High · 7.8
CWE-416 Jul 14, 2026
Windows Kernel Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.
CVE-2026-50461
High · 7.8
CWE-122 Jul 14, 2026
Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
CVE-2026-50457
High · 7.8
CWE-362 Jul 14, 2026
Windows Runtime Elevation of Privilege Vulnerability
Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.
CVE-2026-50456
Medium · 5.5
CWE-200 Jul 14, 2026
Windows File Explorer Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
CVE-2026-50455
Medium · 5.5
CWE-908 Jul 14, 2026
Universal Plug and Play (upnp.dll) Information Disclosure Vulnerability
Use of uninitialized resource in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information locally.