CVE-2021-40399

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

VendorProductVersions
WPSWPS Office11.2.0.10351

References

Timeline

Published
May 12, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-40399: High severity, CVSS 7.8 | Vulnix