Microsoft Windows Server 2025 vulnerabilities

CVE-2026-49175 High · 7.8 CWE-122 Jul 14, 2026

Windows DNS Client Elevation of Privilege Vulnerability

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

CVE-2026-49174 Medium · 6.1 CWE-306 Jul 14, 2026

DNS Client Tampering Vulnerability

Missing authentication for critical function in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.

CVE-2026-49172 Critical · 9.8 CWE-122 Jul 14, 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-2026-49171 High · 7.8 CWE-416 Jul 14, 2026

Windows Speech Runtime Elevation of Privilege Vulnerability

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

CVE-2026-49170 High · 7.8 CWE-285 Jul 14, 2026

Windows StateRepository API Server file Elevation of Privilege Vulnerability

Insufficient granularity of access control in Windows StateRepository API allows an authorized attacker to elevate privileges locally.

CVE-2026-49169 High · 8.8 CWE-416 Jul 14, 2026

Windows DNS Server Remote Code Execution Vulnerability

Use after free in DNS Server allows an authorized attacker to execute code over a network.

CVE-2026-49168 Medium · 6.8 CWE-190 Jul 14, 2026

Storage Spaces Direct Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to elevate privileges with a physical attack.

CVE-2026-49167 High · 7.8 CWE-416 Jul 14, 2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-49166 High · 7.8 CWE-416 Jul 14, 2026

Windows Print Configuration Elevation of Privilege Vulnerability

Use after free in Microsoft Printer Drivers allows an authorized attacker to elevate privileges locally.

CVE-2026-49165 High · 7.1 CWE-908 Jul 14, 2026

Microsoft Windows App Store Information Disclosure Vulnerability

Use of uninitialized resource in Microsoft Windows App Store allows an authorized attacker to disclose information locally.

CVE-2026-49164 Critical · 9.8 CWE-122 Jul 14, 2026

Windows Active Directory Domain Services Remote Code Execution Vulnerability

Heap-based buffer overflow in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.

CVE-2026-49162 High · 7.0 CWE-416 Jul 14, 2026

Microsoft Brokering File System Elevation of Privilege Vulnerability

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

CVE-2026-48572 High · 7.0 CWE-362 Jul 14, 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 High · 7.0 CWE-416 Jul 14, 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-2026-48564 High · 8.8 CWE-122 Jul 14, 2026

DHCP Server Service Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over a network.

CVE-2026-44806 High · 7.5 CWE-401 Jul 14, 2026

Windows Secure Channel Denial of Service Vulnerability

Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unauthorized attacker to deny service over a network.

CVE-2026-44800 High · 7.8 CWE-362 Jul 14, 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 Critical · 9.8 CWE-122 Jul 14, 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 High · 7.8 CWE-1288 Jul 14, 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-2026-42975 High · 8.8 CWE-122 Jul 14, 2026

Windows Bluetooth Port Driver Remote Code Execution

Heap-based buffer overflow in Windows Bluetooth Port Driver allows an unauthorized attacker to execute code over an adjacent network.

CVE-2026-42900 High · 8.1 CWE-362 Jul 14, 2026

Microsoft Windows App Store Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows App Store allows an unauthorized attacker to elevate privileges over a network.

CVE-2026-41087 Medium · 5.5 CWE-200 Jul 14, 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-2026-40422 Medium · 5.5 CWE-908 Jul 14, 2026

Windows File Explorer Information Disclosure Vulnerability

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

CVE-2026-40400 High · 8.0 CWE-23 Jul 14, 2026

Windows PowerShell Remote Code Execution Vulnerability

Relative path traversal in Windows PowerShell allows an authorized attacker to execute code over a network.

CVE-2026-40378 High · 7.5 CWE-789 Jul 14, 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.