CVE-2026-70012: Remote Desktop Client Remote Code Execution Vulnerability
Remote Desktop Client Remote Code Execution Vulnerability
Other sources
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
— 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
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Fixed in 10.0.14393.9612Patch KB5126868 - Upgrade
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Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
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Fixed in 6.2.9200.26434Patch KB5126835 - Upgrade
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Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
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Fixed in 10.0.19044.7807Patch KB5126657 - Upgrade
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Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
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Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
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Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
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Fixed in 10.0.26200.9711Patch KB5127648 - 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 10.0.26300.9711Patch KB5127648
Event History
Frequently Asked Questions
What must an attacker do to exploit this issue?
The attacker can attempt exploitation over a network without prior privileges, but user interaction is required. The attack complexity is rated high.
Which systems should be included in triage?
Triage systems running Microsoft Windows 10 or Windows 11, and Microsoft Windows Server 2012, 2012 R2, 2016, 2019, 2022, or 2025. The affected component is Remote Desktop Client.
What is the potential impact of successful exploitation?
Successful exploitation could allow code execution and affect confidentiality, integrity, and availability. The vulnerability is rated high severity with a CVSS score of 7.5.