CISA KEV · Known exploitedCritical

CVE-2024-7262

Kingsoft WPS Office

Improper path validation in promecefpluginhost.exe in Kingsoft WPS Office version ranging from 12.2.0.13110 to 12.2.0.16412 (exclusive) on Windows allows an attacker to load an arbitrary Windows library. The vulnerability was found weaponized as a single-click exploit in the form of a deceptive spreadsheet document

CVSS
9.3
EPSS
1.77%
76.0% percentile
CISA KEV
Listed
Published
2024.08.16
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability1.77%
Technical severityCVSS 9.3

Vulnerability overview

Improper path validation in promecefpluginhost.exe in Kingsoft WPS Office version ranging from 12.2.0.13110 to 12.2.0.16412 (exclusive) on Windows allows an attacker to load an arbitrary Windows library. The vulnerability was found weaponized as a single-click exploit in the form of a deceptive spreadsheet document

Affected product and versions

Product
Kingsoft WPS Office
Affected versions
12.2.0.13110, >= 12.2.0.13110 < 12.2.0.16412
Fixed versions
12.2.0.16412

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Due date: 2024.09.24
  1. 1
    Identify

    Confirm that Kingsoft WPS Office and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:X/V:X/RE:L/U:X
CWE
CWE-22
KEV added
2024.09.03
Ransomware use
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