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TI-2021-17463 Aliases CVE-2021-40399GHSA-gggr-phrh-226m

Use after free in WPS Office

Priority LOW 39CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01395 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
WPSWPS Office11.2.0.10351—No fix listedCNA
  • WPS Office VendorWPS Affected 11.2.0.10351 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wps:wps_office:11.2.0.10351:*:*:*:*:*:*:*11.2.0.10351VulnerableWPS
  • cpe:2.3:a:wps:wps_office:11.2.0.10351:*:*:*:*:*:*:* Versions 11.2.0.10351 Vulnerable ·WPS

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-40399
  2. 2026-10-03 Alias added: GHSA-gggr-phrh-226m

References

Advisory 2

  • TI-2022-08738 wpsupdater.exe in Kingsoft WPS Office through 11.2.0.10382 allows remote code execution… CVSS 3.1CRITICAL 9.8
  • TI-2014-01800 cn.wps.moffice.common.beans.print.CloudPrintWebView in Kingsoft Office 5.3.1, as used in… CVSS 3.1HIGH 8.1
  • TI-2018-04706 The WStr::assign function in kso.dll in Kingsoft WPS Office 10.1.0.7106 and 10.2.0.5978… CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences