Microsoft Windows 10 21H2 vulnerabilities

CVE-2026-58640 [HIGH] CWE-122 CVE-2026-58640: Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.

CVE-2026-96916 [HIGH] CWE-122 CVE-2026-96916: Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges local Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-96843 [HIGH] CWE-122 CVE-2026-96843: Heap-based buffer overflow in WebDAV allows an authorized attacker to elevate privileges locally. Heap-based buffer overflow in WebDAV allows an authorized attacker to elevate privileges locally.

CVE-2026-69909 [HIGH] CWE-122 CVE-2026-69909: Heap-based buffer overflow in Microsoft COM for Windows allows an authorized attacker to elevate pri Heap-based buffer overflow in Microsoft COM for Windows allows an authorized attacker to elevate privileges locally.

CVE-2026-72927 [HIGH] CWE-122 CVE-2026-72927: Heap-based buffer overflow in Winsock allows an authorized attacker to elevate privileges locally. Heap-based buffer overflow in Winsock allows an authorized attacker to elevate privileges locally.

CVE-2026-70330 [HIGH] CWE-122 CVE-2026-70330: Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locall Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.

CVE-2026-70304 [HIGH] CWE-122 CVE-2026-70304: Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locall Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.

CVE-2026-50680 [HIGH] CWE-122 CVE-2026-50680: Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges lo Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

CVE-2026-54992 [HIGH] CWE-122 CVE-2026-54992: Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code locally.

CVE-2026-69478 [HIGH] CWE-122 CVE-2026-69478: Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to el Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges locally.

CVE-2026-72941 [HIGH] CWE-122 CVE-2026-72941: Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate pri Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

CVE-2026-83967 [HIGH] CWE-122 CVE-2026-83967: Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate pri Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

CVE-2026-69456 [HIGH] CWE-122 CVE-2026-69456: Heap-based buffer overflow in Microsoft Windows Speech allows an authorized attacker to elevate priv Heap-based buffer overflow in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.

CVE-2026-69691 [HIGH] CWE-122 CVE-2026-69691: Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privile Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.

CVE-2026-69476 [HIGH] CWE-122 CVE-2026-69476: Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate pri Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

CVE-2026-69432 [HIGH] CWE-122 CVE-2026-69432: Heap-based buffer overflow in Volume Manager Driver allows an authorized attacker to elevate privile Heap-based buffer overflow in Volume Manager Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-70583 [HIGH] CWE-122 CVE-2026-70583: Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privil Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privileges locally.

CVE-2026-72967 [HIGH] CWE-122 CVE-2026-72967: Heap-based buffer overflow in Windows Network Connection Broker allows an authorized attacker to ele Heap-based buffer overflow in Windows Network Connection Broker allows an authorized attacker to elevate privileges locally.

CVE-2026-83988 [HIGH] CWE-122 CVE-2026-83988: Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate pri Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

CVE-2026-72944 [HIGH] CWE-122 CVE-2026-72944: Heap-based buffer overflow in Windows Fax Service allows an authorized attacker to elevate privilege Heap-based buffer overflow in Windows Fax Service allows an authorized attacker to elevate privileges locally.