Vulnerabilidades do Microsoft Windows 10 Version 21H2

CVE-2026-84013 Alta · 7.8 CWE-416 13/10/2026

Windows Telephony Server Elevation of Privilege Vulnerability

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

CVE-2026-84009 Média · 4.7 CWE-367 13/10/2026

Windows Projected File System Tampering Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows Projected File System allows an authorized attacker to perform tampering locally.

CVE-2026-83935 Crítica · 9.8 CWE-122 13/10/2026

Microsoft XML Remote Code Execution Vulnerability

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

CVE-2026-83934 Alta · 8.8 CWE-121 13/10/2026

Windows GDI+ Remote Code Execution Vulnerability

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

CVE-2026-83933 Média · 5.5 CWE-59 13/10/2026

Windows Update Orchestrator Service Information Disclosure Vulnerability

Improper link resolution before file access ('link following') in Windows Update Orchestrator Service allows an authorized attacker to disclose information locally.

CVE-2026-83932 Alta · 7.8 CWE-122 13/10/2026

Windows Group Policy Elevation of Privilege Vulnerability

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

CVE-2026-83929 Alta · 8.8 CWE-787 13/10/2026

Windows GDI Remote Code Execution Vulnerability

Out-of-bounds write in Windows GDI allows an unauthorized attacker to execute code over a network.

CVE-2026-83928 Alta · 8.8 CWE-306 13/10/2026

Windows Local Security Authority Subsystem Service (LSASS) Remote Code Execution Vulnerability

Out-of-bounds write in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to execute code over a network.

CVE-2026-83927 Alta · 7.8 CWE-59 13/10/2026

Windows Registry Elevation of Privilege Vulnerability

Improper link resolution before file access ('link following') in Windows Registry allows an authorized attacker to elevate privileges locally.

CVE-2026-83926 Média · 4.4 CWE-295 13/10/2026

Windows Hello Security Feature Bypass Vulnerability

Improper certificate validation in Windows Hello allows an authorized attacker to bypass a security feature locally.

CVE-2026-83925 Média · 4.7 CWE-497 13/10/2026

Windows Kernel Information Disclosure Vulnerability

Use of uninitialized resource in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-83924 Alta · 7.0 CWE-416 13/10/2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-83923 Alta · 8.8 CWE-23 13/10/2026

Microsoft OpenSSH for Windows Remote Code Execution Vulnerability

Relative path traversal in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

CVE-2026-83922 Alta · 7.8 CWE-416 13/10/2026

Windows Direct Composition Elevation of Privilege Vulnerability

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

CVE-2026-83921 Alta · 7.0 CWE-122 13/10/2026

Windows Search Service Elevation of Privilege Vulnerability

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

CVE-2026-83920 Alta · 7.8 CWE-122 13/10/2026

Windows Search Service Elevation of Privilege Vulnerability

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

CVE-2026-83919 Alta · 7.8 CWE-122 13/10/2026

Microsoft Internet Messaging API Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Internet Messaging API allows an authorized attacker to execute code locally.

CVE-2026-83918 Alta · 7.8 CWE-190 13/10/2026

Windows Kernel Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-83917 Alta · 7.0 CWE-416 13/10/2026

Windows ALPC Elevation of Privilege Vulnerability

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

CVE-2026-83916 Alta · 7.0 CWE-415 13/10/2026

Windows Error Reporting Remote Code Execution Vulnerability

Double free in Windows Error Reporting allows an authorized attacker to execute code locally.

CVE-2026-83915 Alta · 7.0 CWE-416 13/10/2026

Windows Diagnostic Policy Service Elevation of Privilege Vulnerability

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

CVE-2026-83914 Alta · 8.1 CWE-416 13/10/2026

Microsoft XML Remote Code Execution Vulnerability

Use after free in Microsoft XML allows an unauthorized attacker to execute code over a network.

CVE-2026-83913 Alta · 7.8 CWE-416 13/10/2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-83912 Alta · 7.8 CWE-416 13/10/2026

Windows Direct Composition Elevation of Privilege Vulnerability

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

CVE-2026-83911 Alta · 7.0 CWE-122 13/10/2026

Windows Storage Elevation of Privilege Vulnerability

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