EUVD-2026-73884
GHSA-p4rw-2pcx-8fc2
Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Local access with low privilege required; race-condition UAF exploitation is genuinely high complexity; full C/I/A impact reflects SYSTEM privilege attainment.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
5DescriptionCVE.org
Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in the Windows Device Association Service allows an authenticated local attacker to gain SYSTEM-level access via a use-after-free memory corruption condition. The vulnerability spans virtually all supported Windows desktop and server releases - from Windows 10 version 1607 through Windows 11 25H2/26H1 and Windows Server 2016 through 2025. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must have an authenticated local session on the target Windows system with at least standard user (low-privilege) rights - this is the PR:L requirement in the CVSS vector. … 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) reflects a realistic picture: exploitation is local-only and requires already-holding a low-privileged account, while the AC:H rating captures the race-condition hurdle that an attacker must reliably win. … 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 Security Update corresponding to your Windows build via Windows Update or WSUS, upgrading to the patched build versions listed above (e.g., Windows 11 24H2 to 10.0.26100.9445 or later, Windows Server 2022 to 10.0.20348.5622 or later). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Windows 10, 11, and Server 2016-2025 systems in your environment and determine unpatched status. …
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Same weakness CWE-416 – Use After Free
View allSame technique Privilege Escalation
View allShare
External POC / Exploit Code
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