CVE-2026-55564
An attacker can exploit multiple vulnerabilities in FreeRDP to cause unspecified impacts, potentially execute arbitrary code, bypass security measures, manipulate data, disclose confidential information or cause a denial-of-service condition.
CSIRTS triage
- What
- Multiple unspecified vulnerabilities in FreeRDP enabling arbitrary code execution, security bypass, data manipulation, information disclosure, and denial of service.
- Who is affected
- FreeRDP users and systems using affected versions for remote desktop protocol operations.
- Urgency
- High priority; arbitrary code execution and multiple impact vectors warrant immediate patching.
- Action
- Update FreeRDP to patched versions addressing CVE-2026-55191, CVE-2026-55192, CVE-2026-55193, CVE-2026-55194, CVE-2026-55564, and CVE-2026-55648.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all EPSS-scored CVEs.
Advisory coverage (2)
- high[UPDATE] [high] FreeRDP: Multiple vulnerabilitiescert-bund · 2026-08-20
- mediumCVE-2026-55564: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, the glyph_ca…nvd · 2026-08-19
External references
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