CVE-2024-11957

9.3 criticalEPSS 0.1%

Critical (9.3). EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

9.3 critical

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:H

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 1% of CVEs (scores of 2026-10-31)
CWE: CWE-347
Published: 2025-03-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://www.welivesecurity.com/en/eset-research/analysis-of-two-arbitrary-code-execution-vulnerabilities-affecting-wps-office/

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