CVE-2023-52271

MEDIUM EXPLOITED

Topaz Antifraud <2.0.0.0 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-52271 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including victoni.

AI-analyzed exploit summary This PoC exploits CVE-2023-52271 in the wsftprm.sys kernel driver (v2.0.0.0) to terminate PPL processes, primarily targeting AV/EDR processes. It uses IOCTL 0x22201C to send a PID to the driver, which then terminates the process.

Description

The wsftprm.sys kernel driver 2.0.0.0 in Topaz Antifraud allows low-privileged attackers to kill any (Protected Process Light) process via an IOCTL (which will be named at a later time).

Exploits (1)

nomisec WORKING POC 6 stars
by victoni · local
https://github.com/victoni/BYOVD-CVE-2023-52271-POC

This PoC exploits CVE-2023-52271 in the wsftprm.sys kernel driver (v2.0.0.0) to terminate PPL processes, primarily targeting AV/EDR processes. It uses IOCTL 0x22201C to send a PID to the driver, which then terminates the process.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: wsftprm.sys kernel driver v2.0.0.0
No auth needed
Prerequisites: Vulnerable wsftprm.sys driver loaded · Administrative privileges to interact with the driver
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 6.5
EPSS 0.0032
EPSS Percentile 24.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

VulnCheck KEV 2026-06-16
Status published
Products (1)
topazevolution/antifraud < 2.0.0.0
Published Jan 08, 2024
Tracked Since Feb 18, 2026