CVE-2021-34535
HighCVSS 8.8Exploitation Probability (EPSS)
Very high risk97th percentile - higher than 97% of all known CVEs
Summary
Remote code execution vulnerability in Remote Desktop Client. An attacker could exploit this to execute code remotely on the client machine.
Risk Assessment
Risk of an attacker taking control of the client workstation, potentially enabling data theft or malware propagation.
Recommendation
Install security updates for Remote Desktop Client and consider restricting unauthorized connections.
Other vulnerabilities in Remote Desktop Client
See all- CVE-2026-54990Critical
A heap-based buffer overflow in the 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-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)
Remote Desktop Client Remote Code Execution Vulnerability
Vulnerability data from NVD (NIST) · CISA KEV · EPSS