CVE-2026-24680
CVE-2026-24680 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: 0% (34th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-6489
- Weakness: CWE-416
- Affected product: Freerdp
- Published:
- Last modified:
Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, sdl_Pointer_New frees data on failure, then pointer_free calls sdl_Pointer_Free and frees it again, triggering ASan UAF. This vulnerability is fixed in 3.22.0.
Frequently asked questions
- What is CVE-2026-24680?
- FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, sdl_Pointer_New frees data on failure, then pointer_free calls sdl_Pointer_Free and frees it again, triggering ASan UAF. This vulnerability is fixed in 3.22.0.
- How severe is CVE-2026-24680?
- CVE-2026-24680 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-2026-24680 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-24680?
- CVE-2026-24680 affects Freerdp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-24680?
- 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-2026-24680 have an EU (EUVD) identifier?
- Yes. CVE-2026-24680 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6489.
- When was CVE-2026-24680 published?
- CVE-2026-24680 was published on 2026-02-09 and last updated on 2026-06-17.
References
- https://github.com/FreeRDP/FreeRDP/commit/c42ecbd183b001e76bfc3614cddfad0034acc758
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-j893-9wg8-33rc
Affected products (1)
- cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
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