EUVD-2026-73762
GHSA-66mm-j3hp-wxhf
Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Local UAF requiring race condition timing (AC:H), low-privilege authenticated local session (PR:L), full triad upon successful SYSTEM escalation.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
AnalysisAI
Privilege escalation in Windows Modern Device Management (MDM) allows a locally authenticated attacker with low privileges to gain full system-level access via a use-after-free memory corruption condition. The vulnerability affects a broad surface of Windows 10, Windows 11, and Windows Server 2019-2025 builds. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must have a low-privileged authenticated local session on the target Windows system (PR:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.0 score (AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) accurately reflects a locally constrained but high-impact vulnerability - an authenticated local user can potentially escalate to SYSTEM-level access with no user interaction required. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the Microsoft-issued cumulative updates that bring affected builds to or above the fixed versions enumerated in the affected products section. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: inventory all Windows 10, Windows 11, and Windows Server 2019-2025 systems in your environment and review local account access policies; implement enhanced monitoring for privilege escalation events in Windows Security logs. …
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Same weakness CWE-416 – Use After Free
View allSame technique Use After Free
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External POC / Exploit Code
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