Microsoft Windows 11 Version 26H2 vulnerabilities

CVE-2026-70108 [HIGH] CWE-122 CVE-2026-70108: Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevat Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.

CVE-2026-70106 [HIGH] CWE-122 CVE-2026-70106: 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.

CVE-2026-96929 [HIGH] CWE-122 CVE-2026-96929: 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.

CVE-2026-70054 [HIGH] CWE-122 CVE-2026-70054: Heap-based buffer overflow in Windows NetBIOS allows an authorized attacker to elevate privileges lo Heap-based buffer overflow in Windows NetBIOS allows an authorized attacker to elevate privileges locally.

CVE-2026-85908 [HIGH] CWE-122 CVE-2026-85908: Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privile Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

CVE-2026-70286 [HIGH] CWE-122 CVE-2026-70286: Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privile Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

CVE-2026-83867 [HIGH] CWE-122 CVE-2026-83867: Heap-based buffer overflow in Windows Push Notifications allows an authorized attacker to elevate pr Heap-based buffer overflow in Windows Push Notifications allows an authorized attacker to elevate privileges locally.

CVE-2026-85901 [HIGH] CWE-122 CVE-2026-85901: Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privile Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

CVE-2026-70255 [HIGH] CWE-122 CVE-2026-70255: Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privil Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

CVE-2026-70010 [HIGH] CWE-122 CVE-2026-70010: 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-2026-70138 [HIGH] CWE-122 CVE-2026-70138: Heap-based buffer overflow in Windows OLE allows an authorized attacker to elevate privileges locall Heap-based buffer overflow in Windows OLE allows an authorized attacker to elevate privileges locally.

CVE-2026-70059 [HIGH] CWE-122 CVE-2026-70059: Heap-based buffer overflow in Windows OLE allows an authorized attacker to elevate privileges locall Heap-based buffer overflow in Windows OLE allows an authorized attacker to elevate privileges locally.

CVE-2026-69471 [HIGH] CWE-122 CVE-2026-69471: Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.

CVE-2026-108130 [HIGH] CWE-122 CVE-2026-108130: Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authoriz Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

CVE-2026-83709 [HIGH] CWE-122 CVE-2026-83709: Heap-based buffer overflow in Windows NTLM allows an authorized attacker to elevate privileges local Heap-based buffer overflow in Windows NTLM allows an authorized attacker to elevate privileges locally.

CVE-2026-83678 [HIGH] CWE-122 CVE-2026-83678: Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

CVE-2026-83779 [HIGH] CWE-122 CVE-2026-83779: Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.

CVE-2026-83757 [HIGH] CWE-122 CVE-2026-83757: Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.

CVE-2026-83828 [HIGH] CWE-122 CVE-2026-83828: Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate p Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

CVE-2026-83652 [HIGH] CWE-122 CVE-2026-83652: 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.