How severe is CVE-2024-11957?

CVE-2024-11957 has a CVSS 4.0 base score of 9.3, rated critical severity.

Is CVE-2024-11957 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-11957?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-11957 have an EU (EUVD) identifier?

Yes. CVE-2024-11957 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-53998.

When was CVE-2024-11957 published?

CVE-2024-11957 was published on 2025-03-04 and last updated on 2026-06-17.

CVE-2024-11957

CVE-2024-11957 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.

Key facts

Severity: Critical (CVSS 4.0 base score 9.3)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-53998
Weakness: CWE-347
Published: 2025-03-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-11957?: 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.
How severe is CVE-2024-11957?: CVE-2024-11957 has a CVSS 4.0 base score of 9.3, rated critical severity.
Is CVE-2024-11957 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-11957?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-11957 have an EU (EUVD) identifier?: Yes. CVE-2024-11957 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-53998.
When was CVE-2024-11957 published?: CVE-2024-11957 was published on 2025-03-04 and last updated on 2026-06-17.

References

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

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