CVE-2026-59116: Windows Remote Desktop Security Feature Bypass Vulnerability
Use of a broken or risky cryptographic algorithm in Windows Remote Desktop allows an unauthorized attacker to bypass a security feature over a network.
Other sources
Windows Remote Desktop Security Feature Bypass Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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Fixed in 10.0.17763.9020Patch KB5099538 - Upgrade
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Fixed in 10.0.26200.8875Patch KB5101650 - Upgrade
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Fixed in 10.0.19045.7548Patch KB5099539 - Upgrade
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Fixed in 6.2.9200.26226Patch KB5099445 - Upgrade
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Fixed in 10.0.28000.2525Patch KB5101649 - Upgrade
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Fixed in 6.3.9600.23291Patch KB5099444 - Upgrade
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Fixed in 10.0.14393.9339Patch KB5099535 - Upgrade
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Fixed in 10.0.22631.7376Patch KB5099414 - Upgrade
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Fixed in 10.0.26100.8875Patch KB5101650 - Upgrade
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Fixed in 10.0.26100.33158Patch KB5099536 - Upgrade
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Fixed in 10.0.19044.7548Patch KB5099539 - Upgrade
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Fixed in 10.0.20348.5386Patch KB5099540
Event History
Frequently Asked Questions
What capabilities does an attacker need before attempting exploitation?
The attacker needs network access to the affected Windows Remote Desktop service. No prior privileges are required, but exploitation has high attack complexity and requires user interaction.
What is the expected security impact if exploitation succeeds?
The CVSS vector indicates high impact to confidentiality and integrity, with no direct impact to availability. The vulnerability is rated medium severity with a CVSS score of 6.8.
Which Windows releases are listed as affected?
The affected software list includes Windows 10, Windows 11, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025.