CVE-2026-24491
CVE-2026-24491 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: 7.7
- EPSS exploit prediction: 0% (37th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-6481
- 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, video_timer can send client notifications after the control channel is closed, dereferencing a freed callback and triggering a use after free. This vulnerability is fixed in 3.22.0.
Frequently asked questions
- What is CVE-2026-24491?
- FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, video_timer can send client notifications after the control channel is closed, dereferencing a freed callback and triggering a use after free. This vulnerability is fixed in 3.22.0.
- How severe is CVE-2026-24491?
- CVE-2026-24491 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-2026-24491 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-24491?
- CVE-2026-24491 affects Freerdp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-24491?
- 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-2026-24491 have an EU (EUVD) identifier?
- Yes. CVE-2026-24491 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6481.
- When was CVE-2026-24491 published?
- CVE-2026-24491 was published on 2026-02-09 and last updated on 2026-06-17.
References
- https://github.com/FreeRDP/FreeRDP/commit/e02e052f6692550e539d10f99de9c35a23492db2
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4x6j-w49r-869g
Affected products (1)
- cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
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