CVE-2021-24098

MEDIUM

Windows 10 and Windows Server 2016/2019 - Denial of Service in Console Driver

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-24098. PoCs published by waleedassar.

AI-analyzed exploit summary This repository contains a functional proof-of-concept exploit for CVE-2021-24098, a denial-of-service vulnerability in the Windows kernel driver condrv.sys. The exploit demonstrates the vulnerability by opening a handle to the \Device\ConDrv\KernelConnect device and triggering the bug through improper handle management.

Description

Windows Console Driver Denial of Service Vulnerability

Exploits (1)

nomisec WORKING POC 13 stars
by waleedassar · poc
https://github.com/waleedassar/CVE-2021-24098

This repository contains a functional proof-of-concept exploit for CVE-2021-24098, a denial-of-service vulnerability in the Windows kernel driver condrv.sys. The exploit demonstrates the vulnerability by opening a handle to the \Device\ConDrv\KernelConnect device and triggering the bug through improper handle management.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Windows (condrv.sys)
No auth needed
Prerequisites: Access to a vulnerable Windows system with condrv.sys loaded
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 5.5
EPSS 0.0152
EPSS Percentile 71.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

Status published
Products (9)
microsoft/windows_10 20h2
microsoft/windows_10 1803
microsoft/windows_10 1809
microsoft/windows_10 1909
microsoft/windows_10 2004
microsoft/windows_server_2016 20h2
microsoft/windows_server_2016 1909
microsoft/windows_server_2016 2004
microsoft/windows_server_2019
Published Feb 25, 2021
Tracked Since Feb 18, 2026