CVE-2021-34280: Polarisoffice Polaris Office

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Polaris Office v9.103.83.44230 is affected by a Uninitialized Pointer Vulnerability in PolarisOffice.exe and EngineDLL.dll that may cause a Remote Code Execution. To exploit the vulnerability, someone must open a crafted PDF file.

Affected products

• Polarisoffice Polaris Office: version 9.103.83.44230 only

Published 2021-06-08. Last modified 2026-06-17.