ZDI-26-781: LibreOffice EMF+ Brush Integer Overflow Remote Code Execution Vulnerability
Published Oct 16, 2026
·Updated
This vulnerability allows remote attackers to execute arbitrary code on affected installations of LibreOffice. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-6045.
Affected Software
1 affected component
LibreOffice Libreoffice
Event History
Oct 16, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
What must an attacker do to exploit this issue?
An attacker must persuade the target to visit a malicious page or open a malicious file. Successful exploitation can result in arbitrary code execution on the affected LibreOffice installation.
2
How severe is the vulnerability?
The vulnerability has a CVSS rating of 7.8 and a listed risk score of 66. It is tracked as CVE-2026-6045.