Microsoft Windows 11 Version 23H2 vulnerabilities

CVE-2026-62784 [HIGH] CWE-122 CVE-2026-62784: Heap-based buffer overflow in Microsoft Local Security Authority Server (lsasrv) allows an authorize Heap-based buffer overflow in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to execute code over a network.

CVE-2026-83578 [CRITICAL] CWE-122 CVE-2026-83578: Integer underflow (wrap or wraparound) in Windows PowerShell allows an unauthorized attacker to exec Integer underflow (wrap or wraparound) in Windows PowerShell allows an unauthorized attacker to execute code over a network.

CVE-2026-68839 [CRITICAL] CWE-20 CVE-2026-68839: Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker to execute code over a network.

CVE-2026-77493 [CRITICAL] CWE-415 CVE-2026-77493: Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a n Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

CVE-2026-69493 [CRITICAL] CWE-122 CVE-2026-69493: Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.

CVE-2026-69715 [CRITICAL] CWE-122 CVE-2026-69715: Out-of-bounds read in Windows Direct Show allows an unauthorized attacker to execute code over a net Out-of-bounds read in Windows Direct Show allows an unauthorized attacker to execute code over a network.

CVE-2026-70275 [CRITICAL] CWE-822 CVE-2026-70275: Untrusted pointer dereference in Windows CD-ROM Driver allows an unauthorized attacker to execute co Untrusted pointer dereference in Windows CD-ROM Driver allows an unauthorized attacker to execute code over a network.

CVE-2025-33070 [HIGH] CWE-908 CVE-2025-33070: Use of uninitialized resource in Windows Netlogon allows an unauthorized attacker to elevate privile Use of uninitialized resource in Windows Netlogon allows an unauthorized attacker to elevate privileges over a network.

CVE-2024-30017 [HIGH] CWE-122 CVE-2024-30017: Windows Hyper-V Remote Code Execution Vulnerability Windows Hyper-V Remote Code Execution Vulnerability

CVE-2024-38116 [HIGH] CWE-122 CVE-2024-38116: Windows IP Routing Management Snapin Remote Code Execution Vulnerability Windows IP Routing Management Snapin Remote Code Execution Vulnerability

CVE-2026-70210 [HIGH] CWE-122 CVE-2026-70210: Heap-based buffer overflow in Windows OLE DB allows an unauthorized attacker to elevate privileges o Heap-based buffer overflow in Windows OLE DB allows an unauthorized attacker to elevate privileges over a network.

CVE-2026-83643 [HIGH] CWE-121 CVE-2026-83643: Stack-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute co Stack-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.

CVE-2026-83934 [HIGH] CWE-121 CVE-2026-83934: Stack-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a n Stack-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.

CVE-2026-49179 [HIGH] CWE-77 CVE-2026-49179: Improper neutralization of special elements used in a command ('command injection') in Windows Activ Improper neutralization of special elements used in a command ('command injection') in Windows Active Directory allows an unauthorized attacker to execute code over a network.

CVE-2026-88142 [HIGH] CWE-122 CVE-2026-88142: Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized atta Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.

CVE-2025-49724 [HIGH] CWE-416 CVE-2025-49724: Use after free in Windows Connected Devices Platform Service allows an unauthorized attacker to exec Use after free in Windows Connected Devices Platform Service allows an unauthorized attacker to execute code over a network.

CVE-2026-97805 [CRITICAL] CWE-20 CVE-2026-97805: Out-of-bounds read in Windows Partition Management Driver allows an unauthorized attacker to execute Out-of-bounds read in Windows Partition Management Driver allows an unauthorized attacker to execute code over a network.

CVE-2026-72983 [CRITICAL] CWE-416 CVE-2026-72983: Use after free in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to execu Use after free in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to execute code over a network.

CVE-2026-42904 [CRITICAL] CWE-122 CVE-2026-42904: Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges o Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent network.

CVE-2025-53722 [HIGH] CWE-400 CVE-2025-53722: Uncontrolled resource consumption in Windows Remote Desktop Services allows an unauthorized attacker Uncontrolled resource consumption in Windows Remote Desktop Services allows an unauthorized attacker to deny service over a network.