CVE-2026-20832

Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability

Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability

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

Vendors

Microsoft

Products

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

CVE-2026-20834

Windows Spoofing Vulnerability

Absolute path traversal in Windows Shell allows an unauthorized attacker to perform spoofing with a physical attack.

CVSS 3.1 · 4.6 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 20 more

CVE-2026-20835

Capability Access Management Service (camsvc) Information Disclosure Vulnerability

Out-of-bounds read in Capability Access Management Service (camsvc) allows an authorized attacker to disclose information locally.

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

Vendors

Microsoft

Products

Windows 11 24h2 Windows 11 24h2 Windows 11 25h2 and 4 more

CVE-2026-20837

Windows Media Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code 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-2026-20839

Windows Client-Side Caching (CSC) Service Information Disclosure Vulnerability

Improper access control in Windows Client-Side Caching (CSC) Service 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 19 more

CVE-2026-20842

Microsoft DWM Core Library Elevation of Privilege Vulnerability

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

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

Vendors

Microsoft

Products

Windows 10 21h2 Windows 10 21h2 Windows 10 22h2 and 11 more

CVE-2026-20847

Microsoft Windows File Explorer Spoofing Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network.

CVSS 3.1 · 6.5 Medium EPSS 1.3% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 19 more

CVE-2026-20852

Windows Hello Tampering Vulnerability

Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.

CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

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

CVE-2026-20856

Windows Server Update Service (WSUS) Remote Code Execution Vulnerability

Improper input validation in Windows Server Update Service allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.1 High EPSS 1.1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 17 more

CVE-2026-20858

Windows Management Services Elevation of Privilege Vulnerability

Use after free in Windows Management Services 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-2026-20860

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS 8.3% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 20 more

CVE-2026-20865

Windows Management Services Elevation of Privilege Vulnerability

Use after free in Windows Management Services 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-2026-20869

Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Local Session Manager (LSM) 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 20 more

CVE-2026-20875

Windows Local Security Authority Subsystem Service (LSASS) Denial of Service Vulnerability

Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.

CVSS 3.1 · 7.5 High EPSS 1.5% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 20 more

CVE-2026-20876

Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 11 23h2 Windows 11 23h2 Windows 11 24h2 and 6 more

CVE-2026-20918

Windows Management Services Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services 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-2026-20923

Windows Management Services Elevation of Privilege Vulnerability

Use after free in Windows Management Services 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-2026-20924

Windows Management Services Elevation of Privilege Vulnerability

Use after free in Windows Management Services 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-2026-20925

NTLM Hash Disclosure Spoofing Vulnerability

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

CVSS 3.1 · 6.5 Medium EPSS 17.9% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 20 more

CVE-2026-20927

Windows SMB Server Denial of Service Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to deny service over a network.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 20 more