---
id: CVE-2026-18293
title: >-
  OriginLab Origin Viewer OPJ File Parsing Out-Of-Bounds Write Remote Code
  Execution Vulnerability
summary: >-
  OriginLab Origin Viewer OPJ File Parsing Out-Of-Bounds Write Remote Code
  Execution Vulnerability. This vulnerability allows remote attackers to execute
  arbitrary code on affected installations of OriginLab Origin Viewer. User
  interaction…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-787
published: '2026-08-20'
updated: '2026-08-22'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-18293'
references:
  - url: 'https://docs.originlab.com/cve/CVE-2026-18293'
    label: zdi-disclosures@trendmicro.com
  - url: 'https://www.zerodayinitiative.com/advisories/ZDI-26-552/'
    label: zdi-disclosures@trendmicro.com
tags:
  - nvd
epss: 0.00203
epssPercentile: 0.1053
zeroDay: true
ingestedAt: '2026-08-23T03:41:35.401Z'
---

## Overview

OriginLab Origin Viewer OPJ File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of OriginLab Origin Viewer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of OPJ files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29336.

## Remediation

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