EUVD-2026-73322
GHSA-5q3q-pwrr-jp7r
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Client-side network flaw requiring one user action (UI:R); no attacker privileges needed; full compromise of client session with no scope change.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
5DescriptionCVE.org
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Articles & Coverage 1
AnalysisAI
Heap-based buffer overflow in Microsoft's Remote Desktop client for Windows Desktop (versions 1.2.0.0 through 1.2.7279.0 exclusive) allows a remote unauthenticated attacker to execute arbitrary code on the client machine when a user connects to an attacker-controlled or compromised RDP server. The flaw carries a CVSS 8.8 with full C/I/A impact, requiring only that the victim initiate an RDP session. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must be running Microsoft Remote Desktop client for Windows Desktop at a version in the range 1.2.0.0 to 1.2.7279.0 (exclusive). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) reflects a high-severity client-side flaw: network-reachable, low complexity, no attacker privileges required, but contingent on a single user action - initiating the RDP connection. … 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 | Update the Microsoft Remote Desktop client for Windows Desktop to version 1.2.7279.0 or later. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, query your endpoint management system (WSUS, Intune, or configuration management tools) to identify all Windows systems running Remote Desktop client versions below 1.2.7279.0 and establish current baseline. …
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Same weakness CWE-122 – Heap-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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