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-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-2026-97789High
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- CVE-2026-85337Medium
An out-of-bounds read vulnerability in Remote Desktop Client allows an unauthorized attacker to disclose information over a network. The issue involves improper reading beyond buffer boundaries.
- CVE-2026-83688High
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- CVE-2026-70012High
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- CVE-2026-70006High
A use after free exists in the Remote Desktop Client. An unauthorized attacker can exploit this vulnerability to execute code over a network.
- CVE-2026-70004High
A use after free exists in the Remote Desktop Client. An unauthorized attacker can exploit this vulnerability to execute code over a network.
- CVE-2026-69998High
A use after free exists in the Remote Desktop Client. An unauthorized attacker can exploit this vulnerability to execute code over a network.
- CVE-2026-69997High
A use after free exists in the Remote Desktop Client. An unauthorized attacker can exploit this vulnerability 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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS