CVE-2026-47653 Details
Description
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
A heap-based buffer overflow vulnerability has been identified in Remote Desktop Client. This vulnerability allows an unauthorized attacker to execute code over a network by persuading a user to connect to a malicious Remote Desktop Protocol (RDP) server. The attacker can then send specially crafted responses that trigger memory corruption on the client system, potentially leading to arbitrary code execution in the context of the logged-on user. Successful exploitation requires user interaction to establish the RDP connection.
Users can download the security update for this vulnerability through the Microsoft Update Catalog. Security update KB5094127 is available for various Windows 10 versions, while KB5094126 can be downloaded for Windows 11. For Windows Server users, security update KB5094125 is available for Windows Server 2025, and KB5094128 can be downloaded for Windows Server 2022.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 10, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47653 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | [email protected] |
| CWE-416 | Use After Free | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 10 1607 | < 10.0.14393.9234 |
CPE
Remediation
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| microsoft windows 10 1809 | < 10.0.17763.8880 |
CPE
Remediation
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| microsoft windows 10 21h2 | < 10.0.19044.7417 |
CPE
Remediation
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| microsoft windows 10 22h2 | < 10.0.19045.7417 |
CPE
Remediation
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| microsoft windows 11 23h2 | < 10.0.22631.7219 |
CPE
Remediation
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| microsoft windows 11 24h2 | < 10.0.26100.8655 |
CPE
Remediation
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| microsoft windows 11 25h2 | < 10.0.26200.8655 |
CPE
Remediation
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| microsoft windows 11 26h1 | < 10.0.28000.2269 |
CPE
Remediation
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| microsoft windows server 2012 | r2 |
CPE
Remediation
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| microsoft windows server 2016 | < 10.0.14393.9234 |
CPE
Remediation
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| microsoft windows server 2019 | < 10.0.17763.8880 |
CPE
Remediation
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| microsoft windows server 2022 | < 10.0.20348.5256 |
CPE
Remediation
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| microsoft windows server 2025 | < 10.0.26100.32995 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jul 9, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 12, 2026 | Initial Analysis | [email protected] |
| Jun 9, 2026 | New CVE Received | [email protected] |