Sep 2026: Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-80077 Published on September 8, 2026
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.
Weakness Type
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
Products Associated with CVE-2026-80077
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Affected Versions
Microsoft Remote Desktop client for Windows Desktop:- Version 1.2.0.0 and below 1.2.7279.0 is affected.