CVE-2026-70187: Windows Remote Desktop Services Remote Code Execution Vulnerability
Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.
Other sources
Windows Remote Desktop Services Remote Code Execution Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.23470Patch KB5126836 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26434Patch KB5126835 - Upgrade
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Fixed in 10.0.14393.9612Patch KB5126868 - Upgrade
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Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9376Patch KB5126651
Event History
Frequently Asked Questions
What access does an attacker need to exploit this issue?
The attack can be performed over a network and does not require prior authentication or user interaction. The published vector rates attack complexity as high.
What is the potential impact of a successful exploit?
A successful exploit can result in remote code execution. The severity vector indicates high impact to confidentiality, integrity, and availability.
Which Windows Server versions are listed as affected?
The affected software list includes Microsoft Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025.