How severe is CVE-2026-26271?

CVE-2026-26271 has a CVSS 3.x base score of 5.3, rated medium 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 low.

Is CVE-2026-26271 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26271?

CVE-2026-26271 affects Freerdp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26271?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-26271 have an EU (EUVD) identifier?

Yes. CVE-2026-26271 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8738.

When was CVE-2026-26271 published?

CVE-2026-26271 was published on 2026-02-25 and last updated on 2026-06-17.

CVE-2026-26271

CVE-2026-26271 is a medium-severity vulnerability in Freerdp with a CVSS 3.x base score of 5.3. 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-126.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 5.5
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8738
Weakness: CWE-126
Affected product: Freerdp
Published: 2026-02-25
Last modified: 2026-06-17

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a buffer overread in `freerdp_image_copy_from_icon_data()` (libfreerdp/codec/color.c) can be triggered by crafted RDP Window Icon (TS_ICON_INFO) data. The bug is reachable over the network when a client processes icon data from an RDP server (or from a man-in-the-middle). Version 3.23.0 fixes the issue.

Frequently asked questions

What is CVE-2026-26271?: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a buffer overread in `freerdp_image_copy_from_icon_data()` (libfreerdp/codec/color.c) can be triggered by crafted RDP Window Icon (TS_ICON_INFO) data. The bug is reachable over the network when a client processes icon data from an RDP server (or from a man-in-the-middle). Version 3.23.0 fixes the issue.
How severe is CVE-2026-26271?: CVE-2026-26271 has a CVSS 3.x base score of 5.3, rated medium 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 low.
Is CVE-2026-26271 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26271?: CVE-2026-26271 affects Freerdp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26271?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-26271 have an EU (EUVD) identifier?: Yes. CVE-2026-26271 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8738.
When was CVE-2026-26271 published?: CVE-2026-26271 was published on 2026-02-25 and last updated on 2026-06-17.

References

Affected products (1)

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

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