EUVD-2026-72983
GHSA-c9xg-4mwv-2j62
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-reachable client-side flaw requiring only a low-privilege user to initiate an RDP connection; full C/I/A impact from code execution.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
5DescriptionCVE.org
Use of uninitialized resource in Remote Desktop Client allows an authorized attacker to execute code over a network.
AnalysisAI
Remote code execution in the Windows Remote Desktop Client (mstsc.exe and related components) allows a low-privileged attacker to execute arbitrary code on the victim client machine via a network connection. The root cause is CWE-908 (use of uninitialized resource), where memory that has not been properly initialized can be manipulated by a malicious RDP server to hijack execution flow on the connecting client. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must be able to present a malicious or compromised RDP server that a victim user (with any level of account privilege - PR:L) connects to using the Windows RDP client. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.8 score reflects a high-impact, low-complexity network-accessible vulnerability. … 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 | The primary fix is to apply the Microsoft security update that raises each Windows build to or above the fixed build numbers listed above (e.g., KB rollup targeting 10.0.19045.7725 for Windows 10 22H2). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify and inventory all Windows 10, Windows 11, and Windows Server 2016-2025 systems within your organization, paying particular attention to devices used by remote workers, systems with external RDP exposure, and critical infrastructure servers. …
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Same weakness CWE-908 – Use of Uninitialized Resource
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External POC / Exploit Code
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