Microsoft Windows 11 Version 24H2 vulnerabilities

CVE-2026-66799 [HIGH] CWE-122 CVE-2026-66799: Heap-based buffer overflow in Windows Key Guard allows an authorized attacker to elevate privileges Heap-based buffer overflow in Windows Key Guard allows an authorized attacker to elevate privileges locally.

CVE-2026-65790 [HIGH] CWE-122 CVE-2026-65790: Heap-based buffer overflow in Windows Message Queuing allows an authorized attacker to elevate privi Heap-based buffer overflow in Windows Message Queuing allows an authorized attacker to elevate privileges locally.

CVE-2026-62736 [HIGH] CWE-122 CVE-2026-62736: Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privilege Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges locally.

CVE-2026-62717 [HIGH] CWE-122 CVE-2026-62717: Heap-based buffer overflow in Windows Message Queuing allows an authorized attacker to elevate privi Heap-based buffer overflow in Windows Message Queuing allows an authorized attacker to elevate privileges locally.

CVE-2026-62722 [HIGH] CWE-122 CVE-2026-62722: Heap-based buffer overflow in Windows Brokering File System allows an authorized attacker to elevate Heap-based buffer overflow in Windows Brokering File System allows an authorized attacker to elevate privileges locally.

CVE-2026-62735 [HIGH] CWE-122 CVE-2026-62735: Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges l Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.

CVE-2026-62890 [HIGH] CWE-122 CVE-2026-62890: Heap-based buffer overflow in Windows GDI+ allows an authorized attacker to execute code locally. Heap-based buffer overflow in Windows GDI+ allows an authorized attacker to execute code locally.

CVE-2026-58601 [HIGH] CWE-122 CVE-2026-58601: Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-50309 [HIGH] CWE-122 CVE-2026-50309: 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-2026-50407 [HIGH] CWE-122 CVE-2026-50407: Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-50679 [HIGH] CWE-122 CVE-2026-50679: Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to el Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-54987 [HIGH] CWE-122 CVE-2026-54987: Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privil Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.

CVE-2026-50494 [HIGH] CWE-122 CVE-2026-50494: 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-2026-50499 [HIGH] CWE-122 CVE-2026-50499: Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker to elev Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.

CVE-2026-50417 [HIGH] CWE-20 CVE-2026-50417: 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-2026-50336 [HIGH] CWE-122 CVE-2026-50336: Heap-based buffer overflow in Windows Media allows an authorized attacker to elevate privileges loca Heap-based buffer overflow in Windows Media allows an authorized attacker to elevate privileges locally.

CVE-2026-50327 [HIGH] CWE-122 CVE-2026-50327: 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.

CVE-2026-83919 [HIGH] CWE-122 CVE-2026-83919: Heap-based buffer overflow in Microsoft Internet Messaging API allows an authorized attacker to exec Heap-based buffer overflow in Microsoft Internet Messaging API allows an authorized attacker to execute code locally.

CVE-2026-85318 [HIGH] CWE-122 CVE-2026-85318: Heap-based buffer overflow in Servicing Stack Updates allows an authorized attacker to elevate privi Heap-based buffer overflow in Servicing Stack Updates allows an authorized attacker to elevate privileges locally.

CVE-2026-85341 [HIGH] CWE-122 CVE-2026-85341: Heap-based buffer overflow in Windows USB Video Driver allows an authorized attacker to elevate priv Heap-based buffer overflow in Windows USB Video Driver allows an authorized attacker to elevate privileges locally.