Vulnerabilidades do Microsoft Windows Server 2022 23h2

CVE-2026-42825 Alta · 7.0 CWE-416 12/05/2026

Windows Telephony Service Elevation of Privilege Vulnerability

Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally.

CVE-2026-41097 Média · 6.7 CWE-1329 12/05/2026

Secure Boot Security Feature Bypass Vulnerability

Reliance on a component that is not updateable in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

CVE-2026-41096 Crítica · 9.8 CWE-122 12/05/2026

Windows DNS Client Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.

CVE-2026-41095 Alta · 7.8 CWE-416 12/05/2026

Data Deduplication Elevation of Privilege Vulnerability

Use after free in Data Deduplication allows an authorized attacker to elevate privileges locally.

CVE-2026-41089 Crítica · 9.8 CWE-121 12/05/2026

Windows Netlogon Remote Code Execution Vulnerability

Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.

CVE-2026-41088 Alta · 7.8 CWE-73 12/05/2026

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-40415 Alta · 8.1 CWE-416 12/05/2026

Windows TCP/IP Remote Code Execution Vulnerability

Use after free in Windows TCP/IP allows an unauthorized attacker to execute code over a network.

CVE-2026-40414 Alta · 7.4 CWE-476 12/05/2026

Windows TCP/IP Denial of Service Vulnerability

CVE-2026-40413 Alta · 7.4 CWE-476 12/05/2026

Windows TCP/IP Denial of Service Vulnerability

CVE-2026-40410 Alta · 7.0 CWE-416 12/05/2026

Windows SMB Client Elevation of Privilege Vulnerability

Use after free in Windows SMB Client allows an authorized attacker to elevate privileges locally.

CVE-2026-40408 Alta · 7.8 CWE-416 12/05/2026

Windows WAN ARP Driver Elevation of Privilege Vulnerability

Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

CVE-2026-40407 Alta · 7.8 CWE-122 12/05/2026

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-40406 Alta · 7.5 CWE-416 12/05/2026

Windows TCP/IP Information Disclosure Vulnerability

Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a network.

CVE-2026-40403 Alta · 8.8 CWE-122 12/05/2026

Windows Graphics Component Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code locally.

CVE-2026-40401 Alta · 7.1 CWE-476 12/05/2026

Windows TCP/IP Denial of Service Vulnerability

CVE-2026-40399 Alta · 7.8 CWE-121 12/05/2026

Windows TCP/IP Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

CVE-2026-40398 Alta · 7.8 CWE-122 12/05/2026

Windows Remote Desktop Services Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.

CVE-2026-40397 Alta · 7.8 CWE-191 12/05/2026

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-40382 Alta · 7.8 CWE-416 12/05/2026

Windows Telephony Service Elevation of Privilege Vulnerability

Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally.

CVE-2026-40380 Média · 6.2 CWE-122 12/05/2026

Windows Volume Manager Extension Driver Remote Code Execution Vulnerability

Heap-based buffer overflow in Volume Manager Extension Driver allows an authorized attacker to execute code with a physical attack.

CVE-2026-40377 Alta · 7.8 CWE-122 12/05/2026

Microsoft Cryptographic Services Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Cryptographic Services allows an authorized attacker to elevate privileges locally.

CVE-2026-35424 Alta · 7.5 CWE-401 12/05/2026

Internet Key Exchange (IKE) Protocol Denial of Service Vulnerability

Missing release of memory after effective lifetime in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.

CVE-2026-35423 Média · 5.4 CWE-125 12/05/2026

Windows 11 Telnet Client Information Disclosure Vulnerability

Out-of-bounds read in Telnet Client allows an unauthorized attacker to disclose information over a network.

CVE-2026-35422 Média · 6.5 CWE-288 12/05/2026

Windows TCP/IP Driver Security Feature Bypass Vulnerability

Authentication bypass using an alternate path or channel in Windows TCP/IP allows an authorized attacker to bypass a security feature over a network.

CVE-2026-35421 Alta · 7.8 CWE-122 12/05/2026

Windows GDI Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to execute code locally.