CVE-2026-42993
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk35th percentile - higher than 35% of all known CVEs
Summary
Remote Desktop Client has a heap-based buffer overflow vulnerability that allows an unauthorized attacker to execute code remotely over a network.
Risk Assessment
An attacker can remotely execute arbitrary code on the RDP client, potentially leading to system takeover.
Recommendation
Install the latest Windows security updates.
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-2026-83688High
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.
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