CVE-2024-11957 - CVE House
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Status published Critical CVE-2024-11957

Arbitrary Code Execution in WPS Office

Vulnerability Description

Improper verification of the digital signature in ksojscore.dll in Kingsoft WPS Office in versions equal or less than 12.1.0.18276 on Windows allows an attacker to load an arbitrary Windows library. The patch released in version 12.2.0.16909 to mitigate CVE-2024-7262 was not restrictive enough.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Romain DUMONT (ESET)

References

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CVE-2025-2516
Use of a weak cryptographic key in the signature verification process in WPS Office
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CVE-2024-7263
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CVE-2024-7262
Arbitrary Code Execution in WPS Office
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CVE-2024-13187
Kingsoft WPS Office TCC code injection
Medium 4.8

Affected Vendor

Affected Software

WPS Office
Vulnerable Versions:
12.2.0.16909

Timeline

Official Publish: March 4th, 2025
Last Modified: March 5th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-347

MITRE ATT&CK TTPs

T1553 Subvert Trust Controls
Defense Evasion
T1190 Exploit Public-Facing Application
Initial Access
T1078 Valid Accounts
Persistence
T1550 Use Alternate Authentication Material
Defense Evasion
T1565 Data Manipulation
Impact