CVE-2026-62707

Use after free in Windows Modern Device Management MDM allows an authorized attacker to elevate privileges locally...

CVE-2026-62707 Windows Modern Device Management (MDM) Elevation of Privilege Vulnerability

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EUVD-2026-56351

Use after free in Windows Modern Device Management MDM allows an authorized attacker to elevate privileges locally...

Windows Modern Device Management (MDM) Elevation of Privilege Vulnerability

Use after free in Windows Modern Device Management MDM allows an authorized attacker to elevate privileges locally...

PT-2026-70470

Name of the Vulnerable Software and Affected Versions Windows Modern Device Management MDM affected versions not specified Description A use-after-free condition in Windows Modern Device Management MDM allows an authorized attacker to elevate privileges locally. Use-after-free is a memory...

GO-2026-5358 Fleet Windows MDM Azure AD JWT Authentication Bypass in github.com/fleetdm/fleet

Fleet Windows MDM Azure AD JWT Authentication Bypass in github.com/fleetdm/fleet...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the windowsMDMManagement endpoint. An attacker can gain unauthorized access to management functionality by bypassing authentication mechanisms. Remediation Upgrade github.com/fleetdm/fleet/pkg/mdm/mdmtest to...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the windowsMDMManagement endpoint. An attacker can gain unauthorized access to management functionality by bypassing authentication mechanisms. Remediation Upgrade...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the windowsMDMManagement endpoint. An attacker can gain unauthorized access to management functionality by bypassing authentication mechanisms. Remediation Upgrade github.com/fleetdm/fleet/server/fleet to...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the windowsMDMManagement endpoint. An attacker can gain unauthorized access to management functionality by bypassing authentication mechanisms. Remediation Upgrade...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the windowsMDMManagement endpoint. An attacker can gain unauthorized access to management functionality by bypassing authentication mechanisms. Remediation Upgrade github.com/fleetdm/fleet/server/mock to...

CVE-2026-24899

Fleet is open source device management software. Prior to version 4.82.0, a vulnerability in Fleet's Windows MDM enrollment flow allows authentication tokens from any Azure AD tenant to be accepted. Because Fleet validates JWT signatures using Microsoft's multi-tenant JWKS endpoint but does not...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation due to improper validation of JWT aud and iss claims in the Windows MDM authentication flow. An attacker can enroll unauthorized devices by presenting a valid Microsoft-signed Azure AD token from any tenant. This is...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation due to improper validation of JWT aud and iss claims in the Windows MDM authentication flow. An attacker can enroll unauthorized devices by presenting a valid Microsoft-signed Azure AD token from any tenant. This is...

CVE-2026-23998

Fleet is open source device management software. Prior to version 4.81.0, a vulnerability in Fleet’s Windows MDM management endpoint could allow requests to be processed without proper client certificate validation. In certain circumstances, this could allow an attacker to impersonate an enrolled...

CVE-2026-24899 Fleet Windows MDM Azure AD JWT Authentication Bypass

Fleet is open source device management software. Prior to version 4.82.0, a vulnerability in Fleet's Windows MDM enrollment flow allows authentication tokens from any Azure AD tenant to be accepted. Because Fleet validates JWT signatures using Microsoft's multi-tenant JWKS endpoint but does not...

CVE-2026-24899 Fleet Windows MDM Azure AD JWT Authentication Bypass

Fleet is open source device management software. Prior to version 4.82.0, a vulnerability in Fleet's Windows MDM enrollment flow allows authentication tokens from any Azure AD tenant to be accepted. Because Fleet validates JWT signatures using Microsoft's multi-tenant JWKS endpoint but does not...

CVE-2026-23998 Fleet has a Windows MDM management endpoint authentication bypass

Fleet is open source device management software. Prior to version 4.81.0, a vulnerability in Fleet’s Windows MDM management endpoint could allow requests to be processed without proper client certificate validation. In certain circumstances, this could allow an attacker to impersonate an enrolled...

CVE-2026-23998 Fleet has a Windows MDM management endpoint authentication bypass

Fleet is open source device management software. Prior to version 4.81.0, a vulnerability in Fleet’s Windows MDM management endpoint could allow requests to be processed without proper client certificate validation. In certain circumstances, this could allow an attacker to impersonate an enrolled...

PT-2026-40967

Name of the Vulnerable Software and Affected Versions Fleet versions prior to 4.81.0 Description A flaw in the Windows MDM management endpoint allows requests to be processed without proper client certificate validation. The endpoint relies on mutual TLS mTLS—a process where both the client and...