[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-2026-228510.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all scored CVEs.
• Low exploitation riskCVE-2026-228580.60% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 45% of all scored CVEs.
• Low exploitation riskCVE-2026-228520.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all scored CVEs.
• Low exploitation riskCVE-2026-228530.66% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 47% of all scored CVEs.
• Low exploitation riskCVE-2026-228540.45% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 36% of all scored CVEs.
• Low exploitation riskCVE-2026-228550.76% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 51% of all 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 20% of all scored CVEs.
• Low exploitation riskCVE-2026-228570.45% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 36% of all scored CVEs.
• Low exploitation riskCVE-2026-228590.76% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 51% of all 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.

• unknownCVE-2026-57158: FreeRDP is a free implementation of the Remote Desktop Protocol. From 3.21.0 before 3.28.0, Fr…nvd · 2026-07-10
• mediumCVE-2026-57157: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, FreeRDP serv…nvd · 2026-07-10
• unknownCVE-2026-57156: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0 on 32-bit bui…nvd · 2026-07-10
• highCVE-2026-55827: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.1, FreeRDP clie…nvd · 2026-07-10
• high[NEW] [high] FreeRDP: Vulnerability allows code executioncert-bund · 2026-07-09
• medium[NEW] [medium] FreeRDP: Vulnerability allows code execution and denial of servicecert-bund · 2026-07-09

More from CERT-Bund (BSI) Security Advisories

• medium[NEW] [medium] DENX U-Boot: Multiple vulnerabilities allow execution of arbitrary code and DoS2026-07-10
• medium[NEW] [medium] Samsung Android: Multiple vulnerabilities2026-07-10
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-10
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow unspecified attack2026-07-10
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-10