Is there a public exploit for CVE-2026-121962?

No public exploit for CVE-2026-121962 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-2026-121962?

CVE-2026-121962 scores CVSS 7.2 (v4.0), rated high.

What does CVE-2026-121962 affect?

CVE-2026-121962 affects FreeRDP FreeRDP.

7.2 High

FreeRDP before 3.32.2 contains a heap buffer overflow in transportdefaultreadpdu when handling partial Early User Authorization reads…

CVE-2026-121962

FreeRDP before 3.32.2 contains a heap buffer overflow in transportdefaultreadpdu when handling partial Early User Authorization reads during PROTOCOLHYBRIDEX CredSSP. A malicious RDP server can split the four-byte EUA result into short reads that advance the stream pointer beyond the 16 KiB allocation, causing an out-of-bounds write and client denial of service.

Assessment

CVSS: 7.2 (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: 4 November 2026
Last updated: 4 November 2026
Affected: FreeRDP · FreeRDP
Assigner: VulnCheck

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

At the source

EUVD (ENISA)

References

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