EUVD-2026-73440
GHSA-f6hq-h8mr-mx92
Severity by source
AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Network vector confirmed by description; AC:H reflects UAF race condition; PR:L for authenticated attacker; UI:R per vendor; full impact for successful privilege escalation.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Use after free in Windows Device Association Broker service allows an authorized attacker to elevate privileges over a network.
AnalysisAI
Privilege escalation via use-after-free in the Windows Device Association Broker service affects a broad range of Microsoft Windows desktop and server releases, from Windows 10 1607/1809 through Windows 11 26H1 and Windows Server 2016 through 2025. An authenticated network attacker who can induce a user to interact with the vulnerable service can exploit the freed memory reference to gain full C:H/I:H/A:H impact - effectively achieving elevated privileges over the network. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold valid credentials on the target system or network (PR:L - low-privileged authenticated access is required). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.1 score reflects meaningful but not unconditional risk: the High Attack Complexity and required User Interaction substantially reduce exploitability relative to a straightforward network-reachable UAF. … 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 vendor-released cumulative update bringing affected systems to the fixed build versions listed in the affected products section. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Windows systems in your environment (Windows 10 versions 1607/1809 and later, Windows 11 through 26H1, Windows Server 2016 through 2025) to determine patch scope. …
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Same weakness CWE-416 – Use After Free
View allSame technique Denial Of Service
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External POC / Exploit Code
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