VulnerabilityModified
CVE-2026-24678
FreeRDP is a free implementation of the Remote Desktop Protocol.
HIGH 8.7EPSS 0.65%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, A capture thread sends sample responses using a freed channel callback after a device channel close, leading to a use after free in ecam_channel_write. This vulnerability is fixed in 3.22.0.
- CVSS 4.0
- 8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.65% probability · 49th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416, CWE-825
- Affected
- freerdp/freerdp
- Source
- security-advisories@github.com
References
- https://github.com/FreeRDP/FreeRDP/commit/f3ab1a16139036179d9852745fdade18fec11600Patch
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6gvg-29wx-6v7hPatch, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19033
- https://access.redhat.com/errata/RHSA-2026:3068
- https://access.redhat.com/errata/RHSA-2026:4121
- https://access.redhat.com/security/cve/CVE-2026-24678
- https://bugzilla.redhat.com/show_bug.cgi?id=2438197
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24678.json
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.