Vulnerabilidades do Microsoft Windows 11 version 23H2

CVE-2026-50696 Alta · 7.5 CWE-122 14/07/2026

Internet Key Exchange (IKE) Protocol Denial of Service Vulnerability

Heap-based buffer overflow in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.

CVE-2026-49172 Crítica · 9.8 CWE-122 14/07/2026

Windows FTP Service Remote Code Execution Vulnerability

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

CVE-2026-48572 Alta · 7.0 CWE-362 14/07/2026

Windows App Package Installer Elevation of Privilege Vulnerability

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

CVE-2026-48571 Alta · 7.0 CWE-416 14/07/2026

Windows App Package Installer Elevation of Privilege Vulnerability

Use after free in Windows App Installer allows an authorized attacker to elevate privileges locally.

CVE-2026-44800 Alta · 7.8 CWE-362 14/07/2026

Windows Push Notifications Elevation of Privilege Vulnerability

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

CVE-2026-42990 Crítica · 9.8 CWE-122 14/07/2026

SQL Server ODBC driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in SQL Server ODBC driver allows an unauthorized attacker to execute code over a network.

CVE-2026-42982 Alta · 7.8 CWE-1288 14/07/2026

Windows Secure Kernel Mode Elevation of Privilege Vulnerability

Improper validation of consistency within input in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.

CVE-2026-40378 Alta · 7.5 CWE-789 14/07/2026

Windows Local Security Authority Subsystem Service (LSASS) Denial of Service Vulnerability

Memory allocation with excessive size value in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.

CVE-2026-34348 Média · 6.5 CWE-693 14/07/2026

Windows Event Logging Service Information Disclosure Vulnerability

Protection mechanism failure in Windows Event Logging Service allows an authorized attacker to disclose information over a network.

CVE-2026-34346 Média · 5.5 CWE-319 14/07/2026

Windows Ancillary Function Driver for WinSock Information Disclosure Vulnerability

Cleartext transmission of sensitive information in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information locally.

CVE-2026-34328 Média · 5.5 CWE-200 14/07/2026

Windows Audio Service Information Disclosure Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Audio Service allows an authorized attacker to disclose information locally.

CVE-2026-33842 Média · 5.5 CWE-200 14/07/2026

Windows File Explorer Information Disclosure Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.

CVE-2026-50507 Média · 6.8 CWE-306 09/06/2026

Windows BitLocker Security Feature Bypass Vulnerability

Missing authentication for critical function in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

CVE-2026-49160 Alta · 7.5 CWE-400 09/06/2026

HTTP.sys Denial of Service Vulnerability

Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.

CVE-2026-48583 Alta · 7.8 CWE-416 09/06/2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-48578 Alta · 7.9 CWE-284 09/06/2026