Microsoft Windows 11 24H2 vulnerabilities

CVE-2025-27477 [HIGH] CWE-122 CVE-2025-27477: Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute c Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.

CVE-2025-21303 [HIGH] CWE-122 CVE-2025-21303: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability

CVE-2025-21302 [HIGH] CWE-122 CVE-2025-21302: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability

CVE-2025-21305 [HIGH] CWE-122 CVE-2025-21305: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability

CVE-2025-21252 [HIGH] CWE-122 CVE-2025-21252: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability

CVE-2025-21306 [HIGH] CWE-122 CVE-2025-21306: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability

CVE-2024-43582 [HIGH] CWE-416 CVE-2024-43582: Remote Desktop Protocol Server Remote Code Execution Vulnerability Remote Desktop Protocol Server Remote Code Execution Vulnerability

CVE-2025-27481 [HIGH] CWE-121 CVE-2025-27481: Stack-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute Stack-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.

CVE-2026-45602 [CRITICAL] CWE-349 CVE-2026-45602: No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering ov No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network.

CVE-2026-69521 [HIGH] CWE-190 CVE-2026-69521: Integer overflow or wraparound in Windows iSCSI allows an unauthorized attacker to execute code over Integer overflow or wraparound in Windows iSCSI allows an unauthorized attacker to execute code over a network.

CVE-2026-69619 [HIGH] CWE-125 CVE-2026-69619: Out-of-bounds read in Windows exFAT File System allows an authorized attacker to elevate privileges Out-of-bounds read in Windows exFAT File System allows an authorized attacker to elevate privileges over a network.

CVE-2026-96917 [HIGH] CWE-122 CVE-2026-96917: Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attacker to elevate privil Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-83996 [HIGH] CWE-122 CVE-2026-83996: Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privi Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

CVE-2025-21294 [HIGH] CWE-591 CVE-2025-21294: Microsoft Digest Authentication Remote Code Execution Vulnerability Microsoft Digest Authentication Remote Code Execution Vulnerability

CVE-2026-40415 [HIGH] CWE-416 CVE-2026-40415: Use after free in Windows TCP/IP allows an unauthorized attacker to execute code over a network. Use after free in Windows TCP/IP allows an unauthorized attacker to execute code over a network.

CVE-2026-108460 [HIGH] CWE-416 CVE-2026-108460: Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a net Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.

CVE-2026-70038 [HIGH] CWE-122 CVE-2026-70038: Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network. Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network.

CVE-2026-69524 [HIGH] CWE-416 CVE-2026-69524: Use after free in Active Directory Domain Services allows an unauthorized attacker to execute code o Use after free in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.

CVE-2026-69546 [HIGH] CWE-416 CVE-2026-69546: Use after free in Active Directory Domain Services allows an unauthorized attacker to execute code o Use after free in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.

CVE-2026-83997 [HIGH] CWE-416 CVE-2026-83997: Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a net Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.