What is CVE-2026-18294?

CVE-2026-18294 is a high-severity vulnerability in Originlab Origin Viewer, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2026-08-20.

How severe is CVE-2026-18294?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Originlab Origin Viewer

CVE-2026-18294

OriginLab Origin Viewer OGW File Parsing Memory Corruption 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 OGW files. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29338.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Originlab Origin Viewer — versions 9.9.5

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

zdi-disclosures@trendmicro.com (x_research-advisory)
zdi-disclosures@trendmicro.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-18294?: CVE-2026-18294 is a high-severity vulnerability in Originlab Origin Viewer, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2026-08-20.
How severe is CVE-2026-18294?: High severity. CVSS v3 base score is 7.8 out of 10.