CVE-2024-7262KEV · OVERDUECWE-22

Arbitrary Code Execution in WPS Office

Critical · published August 15, 2024

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.3. It is confirmed in active exploitation. It sits in the 87.0th percentile for exploit probability.

759
days past CISA
deadline
CVSS v4.0
9.3
EPSS
3%
Percentile
87.0
In the wild
Confirmed
What it is

🚨 A single deceptive spreadsheet can unleash chaos! An improper path validation in Kingsoft WPS Office lets attackers load any Windows library they choose — think of it as a recipe that accepts any secret ingredient, no questions asked! 🔥 Imagine a catering service that prepares meals, but one careless chef accepts any ingredient a delivery person claims is safe, leading to potentially disastrous results. Likewise, this vulnerability allows malicious libraries into your system, causing chaos behind the scenes. An attacker can exploit this flaw to run arbitrary code on a victim's machine, potentially leading to data theft, system compromise, or even wiping critical files. We're talking about a virtual open door for cybercriminals to wreak havoc, making it a situation that could escalate quickly and lead to devastating consequences.

Put simply

Imagine a catering service that prepares meals, but one careless chef accepts any ingredient a delivery person claims is safe, leading to potentially disastrous results. Likewise, this vulnerability allows malicious libraries into your system, causing chaos behind the scenes. This vulnerability arises from improper path validation in promecefpluginhost.exe, allowing attackers to load arbitrary libraries into WPS Office. It essentially bypasses security checks that should prevent unauthorized access to system resources.

What to do

An attacker can exploit this flaw to run arbitrary code on a victim's machine, potentially leading to data theft, system compromise, or even wiping critical files. We're talking about a virtual open door for cybercriminals to wreak havoc, making it a situation that could escalate quickly and lead to devastating consequences. Immediate action is crucial! Upgrade Kingsoft WPS Office to the latest version beyond 12.2.0.16412, and educate users about the risks of opening unexpected spreadsheet documents. Consider implementing endpoint protection to alert against executing untrusted libraries. You’ve got this! With these steps, you’ll be on your way to securing your environment in no time. 🛡️

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
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/AU:N/RE:L
EPSS
0.02937 · 87.0th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2024-08-15T14:24Z
KEV added
2024-09-03 · due 2024-09-24
EPSS history
Timeline
  • 03 SEP 00:00Z
    Added to CISA KEV — remediate by Sep 24
    kev
  • 15 AUG 14:24Z
    Arbitrary Code Execution in WPS Office
    cvelistv5