# CVE-2026-86514

## Summary

- **CVE ID:** CVE-2026-86514
- **Severity:** MEDIUM
- **CVSS Score:** 7.5 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P)
- **CWE:** CWE-121, CWE-119
- **Published:** Sep 8, 2026
- **Last Modified:** Sep 8, 2026

## Description

A weakness has been identified in vgmstream up to r2117. This issue affects the function sscanf of the file src/meta/txth.c of the component txth-txtp. This manipulation causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 4669d37a6af94866f6f0628678f9f90d46954e8b. To fix this issue, it is recommended to deploy a patch.

## Affected Products

- n/a — vgmstream (r2117)

## References

- [CNA](https://vuldb.com/vuln/399668)
- [CNA](https://vuldb.com/vuln/399668/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-86514)
- [CNA](https://vuldb.com/submit/908369)
- [CNA](https://github.com/vgmstream/vgmstream/issues/1972)
- [CNA](https://github.com/vgmstream/vgmstream/pull/1956)
- [CNA](https://github.com/vgmstream/vgmstream/commit/4669d37a6af94866f6f0628678f9f90d46954e8b)
- [CNA](https://github.com/vgmstream/vgmstream/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.27%
- **EPSS Percentile:** 19.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._