CVE-2026-91958
MEDIUMCVSS 6.6Description
FreeRDP versions before 3.31.0 fail to validate MonitorIds array values when parsing RDP connection files, allowing unbounded array indexing in xf_detect_monitors. Attackers can craft a malicious RDP file with an out-of-range selectedmonitors value to trigger out-of-bounds heap read and write operations when opened in xfreerdp.
Timeline
Published:September 15th, 2026 4:17 PM
Last modified:September 24th, 2026 12:17 PM
CVSS Scoring
CVSS v3: 6.6 (MEDIUM)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Affected Software
From NVD CPE configuration data
Vendors
freerdp
Products
freerdp
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
Source: NIST NVD · Data may lag official sources by up to one minute