Vulnerabilidades do Microsoft Windows 11 23h2

CVE-2026-56174 Alta · 7.8 CWE-426 11/08/2026

Windows Narrator Braille Elevation of Privilege Vulnerability

Untrusted search path in Windows Narrator Braille allows an authorized attacker to elevate privileges locally.

CVE-2026-54984 Alta · 7.8 CWE-122 11/08/2026

Windows Imaging Component Remote Code Execution Vulnerability

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

CVE-2026-54113 Alta · 7.5 CWE-770 11/08/2026

Remote Procedure Call Denial of Service Vulnerability

Allocation of resources without limits or throttling in Windows Kernel allows an unauthorized attacker to deny service over a network.

CVE-2026-50472 Alta · 7.0 CWE-122 11/08/2026

Windows LUA File Virtualization Filter Driver Elevation of Privilege Vulnerability

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

CVE-2026-49179 Alta · 8.8 CWE-77 11/08/2026

Windows Active Directory Domain Services Remote Code Execution Vulnerability

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-2026-58638 Média · 5.5 CWE-325 14/07/2026

Windows Boot Loader Security Feature Bypass Vulnerability

Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.

CVE-2026-58629 Alta · 7.0 CWE-416 14/07/2026

DirectX Graphics Kernel Elevation of Privilege Vulnerability

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

CVE-2026-56173 Alta · 7.0 CWE-416 14/07/2026

Windows WebView Elevation of Privilege Vulnerability

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

CVE-2026-50471 Alta · 7.8 CWE-122 14/07/2026

Windows NTFS Remote Code Execution Vulnerability

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

CVE-2026-58640 Alta · 7.8 CWE-122 14/07/2026

Windows NTFS Remote Code Execution Vulnerability

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

CVE-2026-58601 Alta · 7.8 CWE-122 14/07/2026

Virtual Hard Disk (VHD) Miniport Driver Elevation of Privilege Vulernability

Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.

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-2026-42982 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

Secure Boot Security Feature Bypass Vulnerability

Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges locally.