Medium · 6.8 CVE-2026-59116 EUVD-2026-99837GHSA-5gjm-j2hv-c4wc

Windows Remote Desktop Security Feature Bypass Vulnerability

Published Oct 13, 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

Use of a broken or risky cryptographic algorithm in Windows Remote Desktop allows an unauthorized attacker to bypass a security feature over a network.

Affected products

Vendor	Product	Affected	Fixed
Microsoft	Windows 10 Version 1607	10.0.14393.0 – < 10.0.14393.9339	10.0.14393.9339
Microsoft	Windows 10 Version 1809	10.0.17763.0 – < 10.0.17763.9020	10.0.17763.9020
Microsoft	Windows 10 Version 21H2	10.0.19044.0 – < 10.0.19044.7548	10.0.19044.7548
Microsoft	Windows 10 Version 22H2	10.0.19045.0 – < 10.0.19045.7548	10.0.19045.7548
Microsoft	Windows 11 version 23H2	10.0.22631.0 – < 10.0.22631.7376	10.0.22631.7376
Microsoft	Windows 11 Version 24H2	10.0.26100.0 – < 10.0.26100.8875	10.0.26100.8875
Microsoft	Windows 11 Version 25H2	10.0.26200.0 – < 10.0.26200.8875	10.0.26200.8875
Microsoft	Windows 11 version 26H1	10.0.28000.0 – < 10.0.28000.2525	10.0.28000.2525
Microsoft	Windows Server 2012	6.2.9200.0 – < 6.2.9200.26226	6.2.9200.26226
Microsoft	Windows Server 2012 (Server Core installation)	6.2.9200.0 – < 6.2.9200.26226	6.2.9200.26226
Microsoft	Windows Server 2012 R2	6.3.9600.0 – < 6.3.9600.23291	6.3.9600.23291
Microsoft	Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 – < 6.3.9600.23291	6.3.9600.23291
Microsoft	Windows Server 2016	10.0.14393.0 – < 10.0.14393.9339	10.0.14393.9339
Microsoft	Windows Server 2016 (Server Core installation)	10.0.14393.0 – < 10.0.14393.9339	10.0.14393.9339
Microsoft	Windows Server 2019	10.0.17763.0 – < 10.0.17763.9020	10.0.17763.9020
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 – < 10.0.17763.9020	10.0.17763.9020
Microsoft	Windows Server 2022	10.0.20348.0 – < 10.0.20348.5386	10.0.20348.5386
Microsoft	Windows Server 2025	10.0.26100.0 – < 10.0.26100.33158	10.0.26100.33158
Microsoft	Windows Server 2025 (Server Core installation)	10.0.26100.0 – < 10.0.26100.33158	10.0.26100.33158

Advisories 2

WID-SEC-2026-3892 Microsoft Windows und Windows Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 8, 2026
MSRC-CVE-2026-59116 Windows Remote Desktop Security Feature Bypass Vulnerability Microsoft Security Response Center · Oct 13, 2026

References

Windows Remote Desktop Security Feature Bypass Vulnerability vendor-advisory patch