---
id: CVE-2026-86313
title: >-
  Out-of-bounds write vulnerability in Samsung Opensource Walrus allows Overflow
  Buffers.


  This issue affects Walrus: af80e665ea49d9003695a66502f841ed1d8397e7.
summary: >-
  Out-of-bounds write vulnerability in Samsung Opensource Walrus allows Overflow
  Buffers.


  This issue affects Walrus: af80e665ea49d9003695a66502f841ed1d8397e7.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-787
vendor: Samsung Opensource
product: Walrus
affected:
  - Walrus af80e665ea49d9003695a66502f841ed1d8397e7
published: '2026-09-07'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T19:09:50.263'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86313'
references:
  - url: 'https://github.com/Samsung/walrus/pull/482'
    label: PSIRT@samsung.com
tags:
  - nvd
  - cve.org
epss: 0.00116
epssPercentile: 0.01836
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-08T15:27:09.725887Z'
ingestedAt: '2026-09-08T16:34:19.218Z'
---

## Overview

Out-of-bounds write vulnerability in Samsung Opensource Walrus allows Overflow Buffers.

This issue affects Walrus: af80e665ea49d9003695a66502f841ed1d8397e7.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.