CVE-2026-83688
HighCVSS 8.8Exploitation Probability (EPSS)
Elevated risk60th percentile - higher than 60% of all known CVEs
Summary
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Risk Assessment
A remote attacker could take control of the system without authentication, potentially leading to full security compromise.
Recommendation
Apply the latest Windows security updates and restrict access to Remote Desktop services.
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-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-2026-70012High
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