CVE-2026-55003
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk47th percentile - higher than 47% of all known CVEs
Summary
A vulnerability in Windows RDP (Remote Desktop Protocol) is caused by the use of an uninitialized resource. An unauthorized attacker can exploit this flaw to disclose information over a network.
Risk Assessment
The risk involves potential leakage of sensitive organizational data over the network without authentication. The attacker may obtain information that could be used for further attacks.
Recommendation
Apply the security update released by Microsoft for Windows immediately. Additionally, restrict access to the RDP service to trusted networks and users only.
Other vulnerabilities in Windows RDP
See all- CVE-2026-56190Critical
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a network.
- CVE-2026-56171High
Vulnerability in Windows RDP allows an unauthorized attacker to disclose private personal information over a network. The attacker can intercept data transmitted during an RDP session.
- CVE-2026-58594High
Integer overflow or wraparound in Windows RDP allows an unauthorized attacker to execute code over a network.
- CVE-2026-58546Medium
Uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
- CVE-2026-58539Medium
Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network.
- CVE-2026-58535Medium
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
- CVE-2026-58533Medium
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
- CVE-2026-57982Medium
Use of uninitialized resource in Windows RDP allows an authenticated attacker to disclose information over a network.
- CVE-2026-54126Medium
An out-of-bounds read vulnerability exists in Windows RDP. An unauthorized attacker can exploit this to disclose information remotely over the network.
- CVE-2026-50445Medium
A buffer over-read vulnerability exists in Windows RDP. An unauthorized attacker can exploit this to disclose information remotely over the network.
Original NVD description (English source)
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.