# CVE-2026-86303

## Summary

- **CVE ID:** CVE-2026-86303
- **Severity:** MEDIUM
- **CVSS Score:** 7.5 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X)
- **CWE:** CWE-125, CWE-119
- **Published:** Sep 7, 2026
- **Last Modified:** Sep 8, 2026

## Description

A vulnerability was determined in 92181 markdown up to 058cab0cb7fb245a0ccc6b8446963ff8d573558f. Affected by this issue is the function lds of the file md.c. Executing a manipulation can lead to out-of-bounds read. The attack can be executed remotely. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. This patch is called c000d2f9cf390c315378d3717cf20911cf3e80a6. A patch should be applied to remediate this issue.

## Affected Products

- 92181 — markdown (058cab0cb7fb245a0ccc6b8446963ff8d573558f)

## References

- [CNA](https://vuldb.com/vuln/399467)
- [CNA](https://vuldb.com/vuln/399467/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-86303)
- [CNA](https://vuldb.com/submit/907499)
- [CNA](https://github.com/92181/markdown/issues/1)
- [CNA](https://github.com/92181/markdown/pull/2)
- [CNA](https://github.com/92181/markdown/commit/c000d2f9cf390c315378d3717cf20911cf3e80a6)
- [CNA](https://github.com/92181/markdown/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.31%
- **EPSS Percentile:** 24.1

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