CVE-2026-34346

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.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 23 more

CVE-2026-42900

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.

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

Vendors

Microsoft

Products

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

CVE-2026-42975

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.

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-2026-42990

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.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 23 more

CVE-2026-48572

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.

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

Vendors

Microsoft

Products

Windows 11 23h2 Windows 11 23h2 Windows 11 24h2 and 7 more

CVE-2026-48571

Windows App Package Installer Elevation of Privilege Vulnerability

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

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

Vendors

Microsoft

Products

Windows 11 23h2 Windows 11 23h2 Windows 11 24h2 and 7 more

CVE-2026-49162

Microsoft Brokering File System Elevation of Privilege Vulnerability

Use after free in Microsoft Brokering File System 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-2026-49164

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.

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

Vendors

Microsoft

Products

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

CVE-2026-49165

Microsoft Windows App Store Information Disclosure Vulnerability

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

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

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

CVE-2026-49166

Windows Print Configuration Elevation of Privilege Vulnerability

Use after free in Microsoft Printer Drivers 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 5 more

CVE-2026-49167

Windows Kernel Elevation of Privilege Vulnerability

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

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

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

CVE-2026-49168

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.

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-2026-49170

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.

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-2026-49171

Windows Speech Runtime Elevation of Privilege Vulnerability

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

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

Vendors

Microsoft

Products

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

CVE-2026-49176

Windows WalletService Elevation of Privilege Vulnerability

Improper privilege management in Windows WalletService allows an authorized 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 16 more

CVE-2026-49175

Windows DNS Client Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows DNS 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 10 more

CVE-2026-49172

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.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

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

CVE-2026-49174

DNS Client Tampering Vulnerability

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

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

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

CVE-2026-49177

Windows TCP/IP Information Disclosure Vulnerability

Out-of-bounds read in Windows TCP/IP allows an authorized attacker to disclose information locally.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

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

CVE-2026-49784

Microsoft Windows App Store Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Windows App Store 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 16 more