CVE-2026-109245EPSS p7.8%
CVE-2026-109245CVE-2026-109245
Description
FreeRDP 3.0.0 before 3.32.0 contains an improper certificate validation vulnerability in freerdp_http_request() in libfreerdp/utils/http.c that completes TLS handshakes without verifying the server certificate chain. On-path attackers can impersonate login.microsoftonline.com in the Azure AD authentication flow to capture OAuth authorization codes and substitute the OpenID discovery document.
Scoring
| CVSS | 6.8 () |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N |
| EPSS | 0.19% probability of exploitation · percentile 7.8% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-14 |