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CVE-2026-102218

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

Heap-based buffer overflow in Windows Universal Disk Format File System Driver (UDFS) 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 25 more
CVE-2026-44470

Claude Desktop: Local Privilege Escalation via Directory Junction in CoworkVMService

The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. Prior to 1.3834.0, the CoworkVMService component in Claude Desktop for Windows ran as SYSTEM and did not validate whether the VM bundle directory was a real directory or an NTFS directory junction before creating files within it. A local non-elevated user could replace the user-writable VM bundle directory with a directory junction pointing to an attacker-chosen location, causing the service to create a SYSTEM-owned file in an arbitrary directory. This could be leveraged for local privilege escalation. This vulnerability is fixed in 1.3834.0.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Anthropic Anthropics Microsoft
Products
Claude Desktop Claude Code Windows
CVE-2026-83928

Windows Local Security Authority Subsystem Service (LSASS) Remote Code Execution Vulnerability

Out-of-bounds write in Windows Local Security Authority Subsystem Service (LSASS) 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 25 more
CVE-2026-108456

Azure AI Foundry Elevation of Privilege Vulnerability

Server-side request forgery (ssrf) in Azure AI Foundry allows an authorized attacker to elevate privileges over a network.

CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Azure Ai Foundry
CVE-2026-97785

AAD App Proxy Elevation of Privilege Vulnerability

Improper authentication in AAD App Proxy allows an unauthorized attacker to elevate privileges over a network.

CVSS 3.1 · 10 Critical EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Entra Application Proxy