CVE-2026-83861
HighCVSS 7.8Summary
Heap-based buffer overflow in Windows Remote Desktop Protocol allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker with local access could gain elevated privileges, potentially leading to full system compromise.
Recommendation
Install the latest Windows security updates and restrict RDP access to trusted users.
Other vulnerabilities in Windows Remote Desktop Protocol
See all- CVE-2026-96322High
A use after free in Windows Remote Desktop Protocol allows an authorized attacker to elevate privileges locally. The flaw results from accessing freed memory in the RDP implementation.
- CVE-2026-70587High
Improper null termination in Windows Remote Desktop Protocol allows an unauthorized attacker to disclose information over a network.
- CVE-2026-50497Medium
Off-by-one error in Windows Remote Desktop Protocol allows an unauthorized attacker to disclose information over a network.
- CVE-2023-35332Medium
A vulnerability in the Windows Remote Desktop Protocol allows for a security feature bypass. An attacker can exploit this flaw to gain unauthorized access to the system.
- CVE-2021-41371Medium
Information Disclosure vulnerability in Windows Remote Desktop Protocol (RDP). Could allow an attacker to gain unauthorized access to data.
Original NVD description (English source)
Heap-based buffer overflow in Windows Remote Desktop Protocol allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

