Vulnerability details

CVE-2026-18293

OriginLab Origin Viewer

OriginLab Origin Viewer OPJ File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

CVSS 3.0

7.8High

Official description

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.

CVSS scores

Score	Version	Source	Vector
7.8High	3.0	CVEProject cvelistV5 (CNA) (zdi)	`CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
OriginLab	Origin Viewer	9.9.5	CVEProject cvelistV5 (CNA)

References and advisories

https://www.zerodayinitiative.com/advisories/ZDI-26-552/ x_research-advisory
https://docs.originlab.com/cve/CVE-2026-18293 vendor-advisory

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Details

Published: 2026-08-20
Last updated: 2026-08-22
State: Published
Assigner (CNA): zdi

Exploit prediction (EPSS)

0.28%

Probability of exploitation in 30 days

20.9%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-787
Out-of-bounds Write