CVE-2026-24679
CVE-2026-24679 is a critical-severity vulnerability in Freerdp with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-122.
Key facts
- Severity: Critical (CVSS 3.x base score 9.1)
- CVSS v4: 8.7
- EPSS exploit prediction: 0% (39th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-6486
- Weakness: CWE-122
- Affected product: Freerdp
- Published:
- Last modified:
Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, The URBDRC client uses server-supplied interface numbers as array indices without bounds checks, causing an out-of-bounds read in libusb_udev_select_interface. This vulnerability is fixed in 3.22.0.
Frequently asked questions
- What is CVE-2026-24679?
- FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, The URBDRC client uses server-supplied interface numbers as array indices without bounds checks, causing an out-of-bounds read in libusb_udev_select_interface. This vulnerability is fixed in 3.22.0.
- How severe is CVE-2026-24679?
- CVE-2026-24679 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
- Is CVE-2026-24679 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-24679?
- CVE-2026-24679 affects Freerdp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-24679?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-24679 have an EU (EUVD) identifier?
- Yes. CVE-2026-24679 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6486.
- When was CVE-2026-24679 published?
- CVE-2026-24679 was published on 2026-02-09 and last updated on 2026-06-17.
References
- https://github.com/FreeRDP/FreeRDP/commit/2d563a50be17c1b407ca448b1321378c0726dd31
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2jp4-67x6-gv7x
Affected products (1)
- cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
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