Is there a public exploit for CVE-2026-121387?

No public exploit for CVE-2026-121387 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-2026-121387?

CVE-2026-121387 scores CVSS 5.3 (v4.0), rated medium.

What does CVE-2026-121387 affect?

CVE-2026-121387 affects FreeRDP FreeRDP.

5.3 Medium

FreeRDP 2.0.0 before 3.32.2 contains an out-of-bounds read vulnerability in freerdpdspdecodegsm610 that allows malicious RDP servers to…

CVE-2026-121387

FreeRDP 2.0.0 before 3.32.2 contains an out-of-bounds read vulnerability in freerdpdspdecodegsm610 that allows malicious RDP servers to read past audio buffers by sending truncated GSM610 frames. Attackers can negotiate GSM610 on rdpsnd and send a WAVE2 message shorter than a 33- or 32-byte WAV49 frame to crash the client.

Assessment

CVSS: 5.3 (v4.0)
Severity: Medium
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:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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