CVE-2026-54990
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk42th percentile - higher than 42% of all known CVEs
Summary
A heap-based buffer overflow in the Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Risk Assessment
The risk includes the possibility of remote code execution by an unauthenticated attacker, which could lead to compromise of the target system.
Recommendation
It is recommended to immediately update the Remote Desktop Client to the latest version and apply security patches from the vendor.
Other vulnerabilities in Remote Desktop Client
See all- CVE-2026-32157High
A use after free vulnerability in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- CVE-2021-38666High
Remote Code Execution vulnerability in Remote Desktop Client. Details are not provided in the description.
- CVE-2021-34535High
Remote code execution vulnerability in Remote Desktop Client. An attacker could exploit this to execute code remotely on the client machine.
- CVE-2026-83998High
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- CVE-2026-80077High
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- CVE-2026-80074High
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- CVE-2026-78463High
Improper control of generation of code ('code injection') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- CVE-2026-77896Medium
Integer overflow or wraparound in Remote Desktop Client allows an unauthenticated attacker to perform a denial of service attack over a network.
- CVE-2026-69485High
Use of uninitialized resource in Remote Desktop Client allows an authorized attacker to execute code over a network.
- CVE-2026-69358High
Use of uninitialized resource in Remote Desktop Client allows an authorized attacker to execute code over a network.
Original NVD description (English source)
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

