Is there a public exploit for CVE-2026-125239?

No public exploit for CVE-2026-125239 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-2026-125239?

CVE-2026-125239 scores CVSS 7.3 (v4.0), rated high.

What does CVE-2026-125239 affect?

CVE-2026-125239 affects FFMPEG FFmpeg.

7.3 High

FFmpeg through 9.0.2 contains a heap buffer overflow vulnerability in ffdxva2hevcfillpictureparameters() that allows attackers to corrupt…

CVE-2026-125239

FFmpeg through 9.0.2 contains a heap buffer overflow vulnerability in ffdxva2hevcfillpictureparameters() that allows attackers to corrupt memory via unbounded non-uniform tile counts. Attackers can supply crafted HEVC bitstreams with many non-uniformly spaced tiles to write controlled 16-bit values past fixed-size DXVA arrays during DXVA2, D3D11VA, or D3D12VA decoding on Windows.

Assessment

CVSS: 7.3 (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: 9 November 2026
Last updated: 9 November 2026
Affected: FFMPEG · FFmpeg
Assigner: VulnCheck

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

At the source

EUVD (ENISA)

References

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