What’s Vulnerable › Vulnerabilities

CVE-2026-111375: FreeRDP 3.0.0 before 3.32.0 Out-of-Bounds Read via RAIL Window Title

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-10-16 · updated 2026-10-21
• Weakness: CWE-125

Description

FreeRDP from 3.0.0 before 3.32.0 contains an out-of-bounds read vulnerability in the Windows RAIL client that allows malicious RDP servers to trigger heap over-reads by sending non-NUL-terminated window titles. Attackers can send a full-length WINDOW_ORDER_FIELD_TITLE update that wf_rail_window_common passes to SetWindowTextW, corrupting titles or crashing the client.

Affected products

• FreeRDP: from 3.0.0 before 3.32.0 — fixed in 3.32.0

How to fix

Upgrade to a fixed version: FreeRDP 3.32.0. Check the vendor advisory for mitigations.

References

• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3rvr-qvx8-rj23
• https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-out-of-bounds-read-via-rail-window-title
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3rvr-qvx8-rj23

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