CVE-2026-109245
HIGH
MEDIUM
Priority: 0.02
BB Relevance:
65/100
Published: 2026-10-12
Modified: 2026-11-02
First seen: 2026-11-02
Status: active
Attack Surface
Network
Low Complexity
No Auth
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
Active
S:
X
AT:
Present
VC:
High
VI:
High
VA:
None
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.
Weakness Classification (1)
References & Advisories (2)
Third Party Advisory
Exploit
Vendor Advisory