SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2024-7262

Kingsoft WPS Office Path Traversal Vulnerability

KEVCRITICAL 9.3EPSS 2.94%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 September 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

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 4.0
9.3 CRITICALCVSS: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/M
EPSS
2.94% probability · 86th percentile
CISA KEV
Listed 3 September 2024 · due 24 September 2024
Weakness
CWE-22
Affected
kingsoft/wps office
Source
security@eset.com

CISA notes

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. While CISA cannot confirm the effectiveness of patches at this time, it is recommended that mitigations be applied per vendor instructions if available. If these instructions cannot be located or if mitigations are unavailable, discontinue the use of the product.; https://nvd.nist.gov/vuln/detail/CVE-2024-7262

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.