High severity · published Feb 9, 2026
CVE-2026-24491
FreeRDP is a free implementation of the Remote Desktop Protocol
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, video_timer can send client notifications after the control channel is closed, dereferencing a freed callback and triggering a use after free. This vulnerability is fixed in 3.22.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Freerdp · Freerdp
before 3.22.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-24491
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-24491
Patch
https://github.com/FreeRDP/FreeRDP/commit/e02e052f6692550e539d10f99de9c35a23492db2
Patch
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4x6j-w49r-869g
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