Vulnerabilidades do Microsoft Windows Server 2025 (Server Core installation)

CVE-2026-23669 Alta · 8.8 CWE-416 10/03/2026

RPC Runtime Library Remote Code Execution Vulnerability

Use after free in RPC Runtime allows an authorized attacker to execute code over a network.

CVE-2026-21533 Alta · 7.8 KEV Alta · 61 Exploit público CWE-269 10/02/2026

Microsoft Windows Improper Privilege Management Vulnerability

Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.

CVE-2026-21519 Alta · 7.8 KEV Alta · 54 CWE-843 10/02/2026

Microsoft Windows Type Confusion Vulnerability

Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

CVE-2026-21525 Média · 6.2 KEV Alta · 52 CWE-476 10/02/2026

Microsoft Windows NULL Pointer Dereference Vulnerability

Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker to deny service locally.

CVE-2026-21508 Alta · 7.0 CWE-287 10/02/2026

Windows Storage Elevation of Privilege Vulnerability

Improper authentication in Windows Storage allows an authorized attacker to elevate privileges locally.

CVE-2026-21510 Alta · 8.8 KEV Alta · 62 Exploit público CWE-693 10/02/2026

Microsoft Windows Shell Protection Mechanism Failure Vulnerability

Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-21513 Alta · 8.8 KEV Alta · 56 CWE-693 10/02/2026

Microsoft MSHTML Framework Protection Mechanism Failure Vulnerability

Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-21255 Alta · 8.8 CWE-284 10/02/2026

Windows Hyper-V Security Feature Bypass Vulnerability

Improper access control in Windows Hyper-V allows an authorized attacker to bypass a security feature locally.

CVE-2026-21253 Alta · 7.0 CWE-416 10/02/2026

Mailslot File System Elevation of Privilege Vulnerability

Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally.

CVE-2026-21251 Alta · 7.8 CWE-416 10/02/2026

Cluster Client Failover (CCF) Elevation of Privilege Vulnerability

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

CVE-2026-21250 Alta · 7.8 Exploit público CWE-822 10/02/2026

Windows HTTP.sys Elevation of Privilege Vulnerability

Untrusted pointer dereference in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.

CVE-2026-21249 Baixa · 3.3 CWE-73 10/02/2026

Windows NTLM Spoofing Vulnerability

External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally.

CVE-2026-21248 Alta · 7.3 Exploit público CWE-787 10/02/2026

Windows Hyper-V Remote Code Execution Vulnerability

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

CVE-2026-21247 Alta · 7.3 CWE-20 10/02/2026

Windows Hyper-V Remote Code Execution Vulnerability

Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.

CVE-2026-21246 Alta · 7.8 CWE-787 10/02/2026

Windows Graphics Component Elevation of Privilege Vulnerability

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

CVE-2026-21245 Alta · 7.8 CWE-787 10/02/2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-21244 Alta · 7.3 Exploit público CWE-787 10/02/2026

Windows Hyper-V Remote Code Execution Vulnerability

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

CVE-2026-21243 Alta · 7.5 CWE-476 10/02/2026

Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability

Null pointer dereference in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.

CVE-2026-21242 Alta · 7.0 CWE-416 10/02/2026

Windows Subsystem for Linux Elevation of Privilege Vulnerability

Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

CVE-2026-21241 Alta · 7.0 CWE-416 10/02/2026

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-21240 Alta · 7.0 CWE-367 10/02/2026

Windows HTTP.sys Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.

CVE-2026-21239 Alta · 7.8 CWE-787 10/02/2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-21238 Alta · 7.8 CWE-284 10/02/2026

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-21237 Alta · 7.0 CWE-362 10/02/2026

Windows Subsystem for Linux Elevation of Privilege Vulnerability

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

CVE-2026-21236 Alta · 7.8 CWE-787 10/02/2026

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.