Microsoft Windows 11 23H2 vulnerabilities

CVE-2026-83642 [HIGH] CWE-843 CVE-2026-83642: Access of resource using incompatible type ('type confusion') in DNS Server allows an unauthorized a Access of resource using incompatible type ('type confusion') in DNS Server allows an unauthorized attacker to execute code over a network.

CVE-2026-80096 [HIGH] CWE-125 CVE-2026-80096: Out-of-bounds read in Windows Remote Desktop Services allows an authorized attacker to elevate privi Out-of-bounds read in Windows Remote Desktop Services allows an authorized attacker to elevate privileges over a network.

CVE-2026-96952 [HIGH] CWE-122 CVE-2026-96952: Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.

CVE-2026-102203 [HIGH] CWE-843 CVE-2026-102203: Access of resource using incompatible type ('type confusion') in RPC Runtime allows an unauthorized Access of resource using incompatible type ('type confusion') in RPC Runtime allows an unauthorized attacker to execute code over a network.

CVE-2026-83874 [HIGH] CWE-122 CVE-2026-83874: Heap-based buffer overflow in Windows Event Tracing allows an unauthorized attacker to execute code Heap-based buffer overflow in Windows Event Tracing allows an unauthorized attacker to execute code over a network.

CVE-2026-70203 [HIGH] CWE-122 CVE-2026-70203: Heap-based buffer overflow in Windows Media Player allows an unauthorized attacker to execute code o Heap-based buffer overflow in Windows Media Player allows an unauthorized attacker to execute code over a network.

CVE-2026-70586 [HIGH] CWE-122 CVE-2026-70586: Heap-based buffer overflow in Windows Paint allows an unauthorized attacker to execute code over a n Heap-based buffer overflow in Windows Paint allows an unauthorized attacker to execute code over a network.

CVE-2026-73006 [HIGH] CWE-121 CVE-2026-73006: Stack-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execu Stack-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

CVE-2026-72960 [HIGH] CWE-122 CVE-2026-72960: Heap-based buffer overflow in Windows Media Player allows an unauthorized attacker to execute code o Heap-based buffer overflow in Windows Media Player allows an unauthorized attacker to execute code over a network.

CVE-2026-72940 [HIGH] CWE-122 CVE-2026-72940: Heap-based buffer overflow in Windows Schannel allows an unauthorized attacker to execute code over Heap-based buffer overflow in Windows Schannel allows an unauthorized attacker to execute code over a network.

CVE-2026-69518 [HIGH] CWE-122 CVE-2026-69518: Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code over a network.

CVE-2026-69985 [HIGH] CWE-122 CVE-2026-69985: Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code ove Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code over a network.

CVE-2026-25188 [HIGH] CWE-122 CVE-2026-25188: Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to elevate p Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to elevate privileges over an adjacent network.

CVE-2023-35630 [HIGH] CWE-122 CVE-2023-35630: Internet Connection Sharing (ICS) Remote Code Execution Vulnerability Internet Connection Sharing (ICS) Remote Code Execution Vulnerability

CVE-2024-30078 [HIGH] CWE-20 CVE-2024-30078: Windows Wi-Fi Driver Remote Code Execution Vulnerability Windows Wi-Fi Driver Remote Code Execution Vulnerability

CVE-2026-33827 [HIGH] CWE-362 CVE-2026-33827: 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 unauthorized attacker to execute code over a network.

CVE-2025-49708 [CRITICAL] CWE-416 CVE-2025-49708: Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges o Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.

CVE-2025-26645 [HIGH] CWE-23 CVE-2025-26645: Relative path traversal in Remote Desktop Client allows an unauthorized attacker to execute code ove Relative path traversal in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2025-21371 [HIGH] CWE-122 CVE-2025-21371: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability

CVE-2026-24294 [HIGH] CWE-287 CVE-2026-24294: Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges lo Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.