Use-after-free in FreeRDP - CVE-2026-27950
Published: April 8, 2026
Vulnerability identifier: #VU125342
CSH Severity: Medium
CVSS v4.0: CVSS: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:U/U:Green
CVE-ID: CVE-2026-27950
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: FreeRDP
Affected software:
FreeRDP
FreeRDP
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to use-after-free in update_pointer_new(SDL) when handling crafted pointer updates in the SDL2 implementation. A remote attacker can trigger the vulnerable pointer handling flow to cause a denial of service.
Only environments using the SDL2 code path are affected.
How to mitigate CVE-2026-27950
Install security update from vendor's website.