CVE-2026-109938
Positive mapped-video coordinates overflow and abort FreeRDP clients A malicious or compromised RDP server can terminate a FreeRDP client after the user connects with video redirection enabled.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Positive mapped-video coordinates overflow and abort FreeRDP clients A malicious or compromised RDP server can terminate a FreeRDP client after the user connects with video redirection enabled.
- CVSS 4.0
- 7.1 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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
- 0.32% probability · 25th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- freerdp/freerdp
- Source
- disclosure@vulncheck.com
EPSS moved from 0.3% on 14 October 2026 to 0.3% on 26 October 2026.
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-96rv-gf42-7wq9Exploit, Vendor Advisory, Mitigation
- https://www.vulncheck.com/advisories/freerdp-3.11.0-before-3.32.0-integer-overflow-via-mapped-video-geometry-updateThird Party Advisory
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-96rv-gf42-7wq9Exploit, Vendor Advisory, Mitigation
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.