CVE-2026-62824

Remote Desktop Client Remote Code Execution Vulnerability

CVE-2026-62824 is fixed in 8 products on 1 platform, first by KB5120418, released August 11, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent

CVSS

8.8

Critical

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0082

57th percentile

<p>Stack-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Windows 10 Version 1607 for 32-bit Systems	14393.9418	KB5120418	Aug 11, 2026
Windows 10 Version 1607 for x64-based Systems	14393.9418	KB5120418	Aug 11, 2026
Windows Server 2012		KB5120386	Aug 11, 2026
Windows Server 2012 (Server Core installation)		KB5120386	Aug 11, 2026
Windows Server 2012 R2		KB5120385	Aug 11, 2026
Windows Server 2012 R2 (Server Core installation)		KB5120385	Aug 11, 2026
Windows Server 2016	14393.9418	KB5120418	Aug 11, 2026
Windows Server 2016 (Server Core installation)	14393.9418	KB5120418	Aug 11, 2026

Details

Published
August 11, 2026
Weakness
Stack-based Buffer Overflow
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62824

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