How severe is CVE-2026-24678?

CVE-2026-24678 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-24678 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-24678?

CVE-2026-24678 affects Freerdp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-24678?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-24678 have an EU (EUVD) identifier?

Yes. CVE-2026-24678 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6485.

When was CVE-2026-24678 published?

CVE-2026-24678 was published on 2026-02-09 and last updated on 2026-06-30.

CVE-2026-24678

CVE-2026-24678 is a high-severity vulnerability in Freerdp with a CVSS 3.x base score of 7.5. 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-416.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6485
Weakness: CWE-416
Affected product: Freerdp
Published: 2026-02-09
Last modified: 2026-06-30

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, A capture thread sends sample responses using a freed channel callback after a device channel close, leading to a use after free in ecam_channel_write. This vulnerability is fixed in 3.22.0.

Frequently asked questions

What is CVE-2026-24678?: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, A capture thread sends sample responses using a freed channel callback after a device channel close, leading to a use after free in ecam_channel_write. This vulnerability is fixed in 3.22.0.
How severe is CVE-2026-24678?: CVE-2026-24678 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-24678 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24678?: CVE-2026-24678 affects Freerdp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-24678?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-24678 have an EU (EUVD) identifier?: Yes. CVE-2026-24678 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6485.
When was CVE-2026-24678 published?: CVE-2026-24678 was published on 2026-02-09 and last updated on 2026-06-30.

References

Affected products (1)

cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*

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CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
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