[UPDATE] [high] FreeRDP: Multiple vulnerabilities

CSIRTS triage

What

Multiple vulnerabilities can allow a remote attacker to cause denial-of-service, execute arbitrary code, manipulate data, or disclose confidential information.

Who is affected

Deployments of FreeRDP are affected by these vulnerabilities.

Urgency

Remediation is urgent due to the high severity and potential for exploitation.

Action

Apply the latest patches provided by FreeRDP.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

high

Published

2026-07-02

Exploitation

Not in CISA KEV at last sync

Language

Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0111

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-228510.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-228580.61% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 46% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-228520.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-228530.67% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 49% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-228540.46% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-228550.77% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 52% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-228560.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-228570.46% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-228590.77% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 52% of all EPSS-scored CVEs.

Referenced CVEs

Recent advisories for FreeRDP

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• high[NEW] [high] FreeRDP: Multiple vulnerabilitiescert-bund · 2026-08-24
• medium[NEW] [medium] FreeRDP: Multiple vulnerabilitiescert-bund · 2026-08-24
• high[UPDATE] [high] FreeRDP: Multiple vulnerabilitiescert-bund · 2026-08-20
• unknownCVE-2026-63652: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, rdpsnd_serve…nvd · 2026-08-19
• unknownCVE-2026-63633: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, freerdp_dsp_…nvd · 2026-08-19
• mediumCVE-2026-63117: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, an authentic…nvd · 2026-08-19

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