CVE-2026-47654 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 Microsoft Remote Desktop Client. This vulnerability allows an unauthorized attacker to execute code remotely over a network. It affects several versions of Windows Server, including 2016, 2019, 2022, and 2025, as well as their Server Core installations.
Users can apply the security update available through the Microsoft Update Catalog to address this vulnerability. Specific update details can be found in the Microsoft Knowledge Base articles KB5094122, KB5094123, KB5094125, and KB5094128.
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-2026-47654 | [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 server 2016 | < 10.0.14393.9234 |
CPE
Remediation
| |
| microsoft windows server 2019 | < 10.0.17763.8880 |
CPE
Remediation
| |
| microsoft windows server 2022 | < 10.0.20348.5256 |
CPE
Remediation
| |
| 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] |