VULNERABILITY INTELLIGENCE

CVE-2021-40399

CVSS score7.8 HIGH
EPSS probability1.40%
CISA KEVNot currently listed
Published2022-05-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

An exploitable use-after-free vulnerability exists in WPS Spreadsheets ( ET ) as part of WPS Office, version 11.2.0.10351. A specially-crafted XLS file can cause a use-after-free condition, resulting in remote code execution. An attacker needs to provide a malformed file to the victim to trigger the vulnerability.

Weakness classification

  • talos-cna@cisco.com: CWE-416
  • nvd@nist.gov: CWE-416

Primary references