CVE-2026-61363: Remote Desktop Client Remote Code Execution Vulnerability
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Other sources
Remote Desktop Client 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 10.0.26200.9168Fixed in 10.0.26100.9106Patch KB5120994 - Upgrade
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Fixed in 10.0.26100.33296Fixed in 10.0.26100.33222Patch KB5120228 - Upgrade
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Fixed in 10.0.19045.7663Patch KB5120249 - Upgrade
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Fixed in 10.0.26100.9168Fixed in 10.0.26000.9106Patch KB5120994 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9168Fixed in 10.0.26100.9106Patch KB5120994 - Upgrade
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Fixed in 10.0.22631.7517Patch KB5120240 - Upgrade
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Fixed in 10.0.20348.5499Fixed in 10.0.20348.5440Patch KB5120229 - Upgrade
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Fixed in 10.0.19044.7663Patch KB5120249 - Upgrade
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Fixed in 6.3.9600.23337Patch KB5120386 - Upgrade
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Fixed in 10.0.17763.9115Patch KB5120238 - Upgrade
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Fixed in 6.2.9200.26279Patch KB5120385 - Upgrade
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Fixed in 10.0.14393.9418Patch KB5120418 - Upgrade
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Fixed in 10.0.28000.2704Patch KB5121000
Event History
Frequently Asked Questions
What is the severity of CVE-2026-61363?
The severity of CVE-2026-61363 is high with a CVSS score of 7.5.
How do I fix CVE-2026-61363?
To fix CVE-2026-61363, ensure that your Microsoft Windows operating system is updated to the latest patches provided by Microsoft.
What impact does CVE-2026-61363 have on my system?
CVE-2026-61363 allows an unauthorized attacker to execute remote code on affected systems, potentially compromising data confidentiality, integrity, and availability.
Which versions of Windows are affected by CVE-2026-61363?
CVE-2026-61363 affects multiple versions including Microsoft Windows 10, Windows 11, and various Windows Server editions.
Is exploitation of CVE-2026-61363 easy?
Exploitation of CVE-2026-61363 is considered feasible due to its characteristics as a heap-based buffer overflow.