CVE-2026-59116

Windows Remote Desktop Security Feature Bypass Vulnerability

State: Published
Severity: 6.8 Medium
Published: Oct 13, 2026
Updated: Oct 31, 2026
Reserved: Jul 2, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	6.8 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-327 Use of a Broken or Risky Cryptographic Algorithm

Affected Products

Product	Versions
Windows 10 Version 1607Microsoft	10.0.14393.0 to before 10.0.14393.9339Affected
Windows 10 Version 1809Microsoft	10.0.17763.0 to before 10.0.17763.9020Affected
Windows 10 Version 21H2Microsoft	10.0.19044.0 to before 10.0.19044.7548Affected
Windows 10 Version 22H2Microsoft	10.0.19045.0 to before 10.0.19045.7548Affected
Windows 11 version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.7376Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.7376Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.8875Affected
Windows 11 Version 25H2Microsoft	10.0.26200.0 to before 10.0.26200.8875Affected
Windows 11 version 26H1Microsoft	10.0.28000.0 to before 10.0.28000.2525Affected
Windows Server 2012Microsoft	6.2.9200.0 to before 6.2.9200.26226Affected
Windows Server 2012 (Server Core installation)Microsoft	6.2.9200.0 to before 6.2.9200.26226Affected
Windows Server 2012 R2Microsoft	6.3.9600.0 to before 6.3.9600.23291Affected
Windows Server 2012 R2 (Server Core installation)Microsoft	6.3.9600.0 to before 6.3.9600.23291Affected
Windows Server 2016Microsoft	10.0.14393.0 to before 10.0.14393.9339Affected
Windows Server 2016 (Server Core installation)Microsoft	10.0.14393.0 to before 10.0.14393.9339Affected
Windows Server 2019Microsoft	10.0.17763.0 to before 10.0.17763.9020Affected
Windows Server 2019 (Server Core installation)Microsoft	10.0.17763.0 to before 10.0.17763.9020Affected
Windows Server 2022Microsoft	10.0.20348.0 to before 10.0.20348.5386Affected
Windows Server 2025Microsoft	10.0.26100.0 to before 10.0.26100.33158Affected
Windows Server 2025 (Server Core installation)Microsoft	10.0.26100.0 to before 10.0.26100.33158Affected

References

Windows Remote Desktop Security Feature Bypass Vulnerabilityvendor-advisorypatch

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