CVE-2026-22857

6.8 mediumEPSS 0.5%

Medium (6.8) in freerdp freerdp. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

6.8 medium

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

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2026-01-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

freerdp:freerdp

References

https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4gxq-jhq6-4cr8

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