CVE-2026-45598

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock 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 23 more

CVE-2026-45601

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock 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 23 more

CVE-2026-48578

Secure Boot Security Feature Bypass Vulnerability

Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.9 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

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

CVE-2026-48576

Secure Boot Security Feature Bypass Vulnerability

No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

CVSS 3.1 · 7.9 High EPSS 1.0% KEV · Not listed

Vendors

Microsoft

Products

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

CVE-2026-48573

Secure Boot Security Feature Bypass Vulnerability

No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

CVSS 3.1 · 7.9 High EPSS 1.0% KEV · Not listed

Vendors

Microsoft

Products

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

CVE-2026-48563

Remote Desktop Client Remote Code Execution Vulnerability

Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

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

Vendors

Microsoft

Products

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

CVE-2026-47654

Remote Desktop Client Remote Code Execution Vulnerability

Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

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

Vendors

Microsoft

Products

Windows Server 2016 Windows Server 2016 (server Core Installation) Windows Server 2019 and 4 more

CVE-2026-47652

Windows Hyper-V Remote Code Execution Vulnerability

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

CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 11 23h2 Windows 11 23h2 Windows 11 24h2 and 8 more

CVE-2026-47653

Remote Desktop Client Remote Code Execution Vulnerability

Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

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

Vendors

Microsoft

Products

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

CVE-2026-45641

Windows Hyper-V Remote Code Execution Vulnerability

Access of resource using incompatible type ('type confusion') in Windows Hyper-V allows an unauthorized attacker to execute code locally.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 21h2 Windows 10 21h2 Windows 10 22h2 and 12 more

CVE-2026-45638

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.

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

Vendors

Microsoft

Products

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

CVE-2026-24294

Windows SMB Server Elevation of Privilege Vulnerability

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

CVSS 3.1 · 7.8 High EPSS 7.1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 27 more

CVE-2026-42915

Microsoft Windows VMSwitch Denial of Service Vulnerability

Incorrect calculation of buffer size in Windows VMSwitch allows an authorized attacker to deny service locally.

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

Vendors

Microsoft

Products

Windows 10 21h2 Windows 10 21h2 Windows 10 22h2 and 12 more

CVE-2026-35433

.NET Elevation of Privilege Vulnerability

Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.

CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

.net .net Framework Windows and 12 more

CVE-2026-33841

Windows Kernel Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Kernel 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 16 more

CVE-2024-20663

Windows Message Queuing Client (MSMQC) Information Disclosure

Windows Message Queuing Client (MSMQC) Information Disclosure

CVSS 3.1 · 6.5 Medium EPSS 1.9% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1507 Windows 10 1607 Windows 10 1809 and 10 more

CVE-2024-20661

Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability

Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability

CVSS 3.1 · 7.5 High EPSS 2.8% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1507 Windows 10 1607 Windows 10 1809 and 10 more

CVE-2024-20652

Windows HTML Platforms Security Feature Bypass Vulnerability

Windows HTML Platforms Security Feature Bypass Vulnerability

CVSS 3.1 · 8.1 High EPSS 2.1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1507 Windows 10 1607 Windows 10 1809 and 10 more

CVE-2024-0057

NET, .NET Framework, and Visual Studio Security Feature Bypass Vulnerability

NET, .NET Framework, and Visual Studio Security Feature Bypass Vulnerability

CVSS 3.1 · 9.1 Critical EPSS 2.8% KEV · Not listed

Vendors

Microsoft Redhat

Products

.net .net Framework Powershell and 16 more

CVE-2026-45602

Windows Dynamic Host Configuration Protocol (DHCP) Tampering Vulnerability

No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

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