CVE-2026-50502

Windows Event Logging Service Remote Code Execution Vulnerability

Insufficient granularity of access control in Windows Event Logging Service allows an authorized attacker to execute code over a network.

CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 21 more

CVE-2026-50485

Windows Hyper-V Denial of Service Vulnerability

Buffer over-read in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.

CVSS 3.1 · 4.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 21 more

CVE-2026-50486

Windows Runtime Elevation of Privilege Vulnerability

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

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 21h2 Windows 10 21h2 Windows 10 22h2 and 9 more

CVE-2026-50487

Windows DNS Client Elevation of Privilege Vulnerability

Use after free in Microsoft Windows DNS allows an unauthorized attacker to elevate privileges over a network.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 11 24h2 Windows 11 24h2 Windows 11 25h2 and 5 more

CVE-2026-50488

Clipboard User Service Elevation of Privilege Vulnerability

Improper neutralization of special elements used in a command ('command injection') in Windows Clipboard User Service allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 11 24h2 Windows 11 24h2 Windows 11 25h2 and 3 more

CVE-2026-50500

Windows Netlogon Elevation of Privilege Vulnerability

Use after free in Windows Netlogon allows an authorized attacker to elevate privileges over a network.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 21 more

CVE-2026-50499

Windows Print Spooler Elevation of Privilege Vulnerability

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

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1809 Windows 10 21h2 Windows 10 21h2 and 13 more

CVE-2026-50489

Win32k Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 21 more

CVE-2026-50494

Windows NTFS Remote Code Execution Vulnerability

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

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 21 more

CVE-2026-50490

Windows Installer Elevation of Privilege Vulnerability

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

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 21 more

CVE-2026-50498

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an unauthorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 21 more

CVE-2026-50505

Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability

Use after free in Windows Message Queuing allows an authorized attacker to execute code over a network.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 21 more

CVE-2026-50491

Code Integrity DLL (ci.dll) Elevation of Privilege Vulnerability

Out-of-bounds read in Code Integrity DLL (ci.dll) allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 21 more

CVE-2026-50492

Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code with a physical attack.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 16 more

CVE-2026-50501

Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

Stack-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 11 24h2 Windows 11 24h2 Windows 11 25h2 and 5 more

CVE-2026-50503

Windows Runtime Elevation of Privilege Vulnerability

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

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 11 24h2 Windows 11 24h2 Windows 11 25h2 and 5 more

CVE-2026-50497

Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability

Off-by-one error in Windows Remote Desktop Protocol allows an unauthorized attacker to disclose information over a network.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 21 more

CVE-2026-50496

Windows Network Policy Server SNMP Information Disclosure Vulnerability

Out-of-bounds read in Windows Network Policy Server SNMP allows an unauthorized attacker to disclose information over a network.

CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 21 more

CVE-2026-50504

Windows Remote Desktop Client Information Disclosure Vulnerability

Buffer over-read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 21 more

CVE-2026-50509

Wireless Wide Area Network Service (WwanSvc) Elevation of Privilege Vulnerability

Deserialization of untrusted data in Windows Wireless Wide Area Network Service allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS 3.5% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 15 more