# CVE-2026-86315

## Summary

- **CVE ID:** CVE-2026-86315
- **Severity:** MEDIUM
- **CVSS Score:** 6.2 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-197
- **Published:** Sep 7, 2026
- **Last Modified:** Sep 8, 2026

## Description

An out-of-bounds write caused by numeric truncation  Samsung Open Source Escargot on Linux x86-64 allows an attacker who can supply JavaScript for execution to corrupt native memory and crash the host process via a crafted class definition whose instance initialization entry count exceeds UINT16_MAX.



This issue affects Escargot: 5dc93606abd42b859045add05d704a038e197359.

## Affected Products

- Samsung Opensource — Escargot (5dc93606abd42b859045add05d704a038e197359)

## References

- [CNA](https://github.com/Samsung/escargot/pull/1660)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.12%
- **EPSS Percentile:** 2.4

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