High (7.4) in microsoft. EPSS 18% chance of exploitation in the next 30 days.
Microsoft Terminal Server using Remote Desktop Protocol (RDP) 5.2 stores an RSA private key in mstlsapi.dll and uses it to sign a certificate, which allows remote attackers to spoof public keys of legitimate servers and conduct man-in-the-middle attacks.
Severity
CVSS 3.1
7.4 high
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
18% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)