CVE-2026-22857
MEDIUM EPSS 36.1%
Published Jan 14, 20265mo ago · Modified Jun 17, 20261w ago
6.8 CVSS 4.0
Published Jan 14, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago
Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap use-after-free occurs in irp_thread_func because the IRP is freed by irp->Complete() and then accessed again on the error path. This vulnerability is fixed in 3.20.1.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction P
Scope X
Threat Intelligence
EPSS Exploit Probability
36.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 1
CWE-416 Use After Free Memory Safety
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| freerdp | freerdp | * | <3.20.1 |
References 2
- github.com https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1
- github.com https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4gxq-jhq6-4cr8
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.