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CVE-2026-24679

Freerdp buffer overflow

9.1 CRITICALEPSS 0.56%
  1. Published9 Feb 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

Freerdp< 3.22.0

Remediation

Fixed in
Freerdp≥ 3.22.0

References

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Frequently asked

Is CVE-2026-24679 being actively exploited?

CVE-2026-24679 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.56%.

How severe is CVE-2026-24679?

CVE-2026-24679 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.56% probability of exploitation.

Which products are affected by CVE-2026-24679?

Affected products include Freerdp.

How do I fix CVE-2026-24679?

Upgrade affected software to a fixed version, for example Freerdp 3.22.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-24679 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.