Microsoft Windows 10 21H2 vulnerabilities
1,827 known vulnerabilities affecting microsoft/windows_10_21h2.
Total CVEs
1,827
CISA KEV
87
actively exploited
Public exploits
54
Exploited in wild
97
Severity breakdown
CRITICAL44HIGH1303MEDIUM473LOW7
Vulnerabilities
Page 28 of 92
CVE-2025-26666P3HIGHCVSS 7.8fixed in 10.0.19044.57372025-04-08
CVE-2025-26666 [HIGH] CWE-122 CVE-2025-26666: Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally.
Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally.
nvd
CVE-2025-26674P3HIGHCVSS 7.8fixed in 10.0.19044.57372025-04-08
CVE-2025-26674 [HIGH] CWE-122 CVE-2025-26674: Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally.
Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally.
nvd
CVE-2025-60714P3HIGHCVSS 7.8fixed in 10.0.19044.65752025-11-11
CVE-2025-60714 [HIGH] CWE-122 CVE-2025-60714: Heap-based buffer overflow in Windows OLE allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Windows OLE allows an unauthorized attacker to execute code locally.
nvd
CVE-2023-35632P3HIGHCVSS 7.8fixed in 10.0.19041.38032023-12-12
CVE-2023-35632 [HIGH] CWE-190 CVE-2023-35632: Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
nvd
CVE-2025-24063P3HIGHCVSS 7.8fixed in 10.0.19044.58542025-05-13
CVE-2025-24063 [HIGH] CWE-122 CVE-2025-24063: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-27490P3HIGHCVSS 7.8fixed in 10.0.19044.57372025-04-08
CVE-2025-27490 [HIGH] CWE-122 CVE-2025-27490: Heap-based buffer overflow in Windows Bluetooth Service allows an authorized attacker to elevate pri
Heap-based buffer overflow in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2023-38142P3HIGHCVSS 7.8fixed in 10.0.19044.34482023-09-12
CVE-2023-38142 [HIGH] CWE-190 CVE-2023-38142: Windows Kernel Elevation of Privilege Vulnerability
Windows Kernel Elevation of Privilege Vulnerability
nvd
CVE-2026-35421P3HIGHCVSS 7.8fixed in 10.0.19044.72912026-05-12
CVE-2026-35421 [HIGH] CWE-122 CVE-2026-35421: Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to execute code locally.
nvd
CVE-2024-30098P3HIGHCVSS 7.5fixed in 10.0.19044.46512024-07-09
CVE-2024-30098 [HIGH] CWE-327 CVE-2024-30098: Windows Cryptographic Services Security Feature Bypass Vulnerability
Windows Cryptographic Services Security Feature Bypass Vulnerability
nvd
CVE-2026-20810P3HIGHCVSS 7.8fixed in 10.0.19044.68092026-01-13
CVE-2026-20810 [HIGH] CWE-590 CVE-2026-20810: Free of memory not on the heap in Windows Ancillary Function Driver for WinSock allows an authorized
Free of memory not on the heap in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-59201P3HIGHCVSS 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-2026-48574P3HIGHCVSS 7.8fixed in 10.0.19044.74172026-06-09
CVE-2026-48574 [HIGH] CWE-122 CVE-2026-48574: Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-62474P3HIGHCVSS 7.8fixed in 10.0.19044.66912025-12-09
CVE-2025-62474 [HIGH] CWE-284 CVE-2025-62474: Improper access control in Windows Remote Access Connection Manager allows an authorized attacker to
Improper access control in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-48806P3HIGHCVSS 7.8fixed in 10.0.19044.60932025-07-08
CVE-2025-48806 [HIGH] CWE-416 CVE-2025-48806: Use after free in Microsoft MPEG-2 Video Extension allows an authorized attacker to execute code loc
Use after free in Microsoft MPEG-2 Video Extension allows an authorized attacker to execute code locally.
nvd
CVE-2026-35417P3HIGHCVSS 7.8fixed in 10.0.19044.72912026-05-12
CVE-2026-35417 [HIGH] CWE-843 CVE-2026-35417: Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-40399P3HIGHCVSS 7.8fixed in 10.0.19044.72912026-05-12
CVE-2026-40399 [HIGH] CWE-121 CVE-2026-40399: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-45636P3HIGHCVSS 7.8fixed in 10.0.19044.74172026-06-09
CVE-2026-45636 [HIGH] CWE-20 CVE-2026-45636: Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-34330P3HIGHCVSS 7.8fixed in 10.0.19044.72912026-05-12
CVE-2026-34330 [HIGH] CWE-190 CVE-2026-34330: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-34333P3HIGHCVSS 7.8fixed in 10.0.19044.72912026-05-12
CVE-2026-34333 [HIGH] CWE-190 CVE-2026-34333: Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-26159P3HIGHCVSS 7.8fixed in 10.0.19044.71842026-04-14
CVE-2026-26159 [HIGH] CWE-306 CVE-2026-26159: Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an a
Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an authorized attacker to elevate privileges locally.
nvd