High · 7.5 CVE-2026-61352 EUVD-2026-56593GHSA-jwr9-q995-5384

Remote Desktop Client Remote Code Execution Vulnerability

Published Aug 11, 2026 · Updated Nov 10, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Windows 10 Version 1607 Product: Windows 10 Version 1809 Product: Windows 10 Version 21H2 Product: Windows 10 Version 22H2 Product: Windows 11 version 23H2 Product: Windows 11 Version 24H2 Product: Windows 11 Version 25H2 Product: Windows 11 version 26H1 Product: Windows Server 2012 Product: Windows Server 2012 (Server Core installation) Product: Windows Server 2012 R2 Product: Windows Server 2012 R2 (Server Core installation) Product: Windows Server 2016 Product: Windows Server 2016 (Server Core installation) Product: Windows Server 2019 Product: Windows Server 2019 (Server Core installation) Product: Windows Server 2022 Product: Windows Server 2025 Product: Windows Server 2025 (Server Core installation) Platform: Windows

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

Affected products

Vendor	Product	Affected	Fixed
Microsoft	Windows 10 Version 1607	10.0.14393.0 – < 10.0.14393.9418	10.0.14393.9418
Microsoft	Windows 10 Version 1809	10.0.17763.0 – < 10.0.17763.9121	10.0.17763.9121
Microsoft	Windows 10 Version 21H2	10.0.19044.0 – < 10.0.19044.7663	10.0.19044.7663
Microsoft	Windows 10 Version 22H2	10.0.19045.0 – < 10.0.19045.7663	10.0.19045.7663
Microsoft	Windows 11 version 23H2	10.0.22631.0 – < 10.0.22631.7517	10.0.22631.7517
Microsoft	Windows 11 Version 24H2	10.0.26100.0 – < 10.0.26100.9168	10.0.26100.9168
Microsoft	Windows 11 Version 25H2	10.0.26200.0 – < 10.0.26200.9168	10.0.26200.9168
Microsoft	Windows 11 version 26H1	10.0.28000.0 – < 10.0.28000.2704	10.0.28000.2704
Microsoft	Windows Server 2012	6.2.9200.0 – < 6.2.9200.26280	6.2.9200.26280
Microsoft	Windows Server 2012 (Server Core installation)	6.2.9200.0 – < 6.2.9200.26280	6.2.9200.26280
Microsoft	Windows Server 2012 R2	6.3.9600.0 – < 6.3.9600.23338	6.3.9600.23338
Microsoft	Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 – < 6.3.9600.23338	6.3.9600.23338
Microsoft	Windows Server 2016	10.0.14393.0 – < 10.0.14393.9418	10.0.14393.9418
Microsoft	Windows Server 2016 (Server Core installation)	10.0.14393.0 – < 10.0.14393.9418	10.0.14393.9418
Microsoft	Windows Server 2019	10.0.17763.0 – < 10.0.17763.9121	10.0.17763.9121
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 – < 10.0.17763.9121	10.0.17763.9121
Microsoft	Windows Server 2022	10.0.20348.0 – < 10.0.20348.5499	10.0.20348.5499
Microsoft	Windows Server 2025	10.0.26100.0 – < 10.0.26100.33296	10.0.26100.33296
Microsoft	Windows Server 2025 (Server Core installation)	10.0.26100.0 – < 10.0.26100.33296	10.0.26100.33296

Advisories 3

WID-SEC-2026-2756 Microsoft Windows Produkte: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 30, 2026
NCSC-2026-0284 Kwetsbaarheden verholpen in Microsoft Windows NCSC-NL (Netherlands) · Aug 11, 2026
MSRC-CVE-2026-61352 Remote Desktop Client Remote Code Execution Vulnerability Microsoft Security Response Center · Aug 11, 2026

References

Remote Desktop Client Remote Code Execution Vulnerability vendor-advisory patch