Is there a public exploit for CVE-2026-121386?

No public exploit for CVE-2026-121386 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-121386?

CVE-2026-121386 scores CVSS 8.7 (v4.0), rated high.

What does CVE-2026-121386 affect?

CVE-2026-121386 affects FreeRDP FreeRDP.

8.7 High

FreeRDP before 3.32.2 contains a denial of service vulnerability in WinPR's winprreadpngfrombuffer() and winprconvertfromjpeg(), which lack…

CVE-2026-121386

FreeRDP before 3.32.2 contains a denial of service vulnerability in WinPR's winprreadpngfrombuffer() and winprconvertfromjpeg(), which lack libpng/libjpeg error handling. A malicious RDP server or MITM can offer a malformed PNG or truncated JPEG clipboard payload, causing the client to abort or exit.

Assessment

CVSS: 8.7 (v4.0)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 3 November 2026
Last updated: 3 November 2026
Affected: FreeRDP · FreeRDP
Assigner: VulnCheck

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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