EUVD-2026-73210
GHSA-mj25-pf36-h25w
Severity by source
AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Network-reachable UAF requiring authenticated low-privilege account, race-condition complexity, and victim interaction; full impact post-escalation justifies C:H/I:H/A:H.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Use after free in Windows Remote Desktop Licensing Service allows an authorized attacker to elevate privileges over a network.
AnalysisAI
Use-after-free memory corruption in the Windows Remote Desktop Licensing Service allows an authenticated, low-privileged network attacker to elevate privileges to a higher-privileged context. Affected systems span Windows Server 2012 through Server 2025, as well as Windows 10 versions 1607 and 1809. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold a valid network-accessible account with at least low-privilege credentials (PR:L per CVSS), ruling out anonymous exploitation. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 3.1 base score is 7.1 (High), driven by full C:H/I:H/A:H impact but tempered by AC:H and UI:R, which materially reduce exploitability. … 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 Microsoft's Patch Tuesday security updates to bring each affected build to the fixed version: Server 2012 to 6.2.9200.26349 or later, Server 2012 R2 to 6.3.9600.23397 or later, Server 2016/Win10 1607 to 10.0.14393.9512 or later, Server 2019/Win10 1809 to 10.0.17763.9245 or later, Server 2022 to 10.0.20348.5622 or later, and Server 2025 to 10.0.26100.33438 or later. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify and document all Windows Server 2012-2025 and Windows 10 1607/1809 systems with Remote Desktop Licensing Service enabled. …
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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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