Exploitation Summary
EIP tracks 1 public exploit for CVE-2021-43229. PoCs published by Citizen13X.
AI-analyzed exploit summary This repository contains a proof-of-concept exploit for CVE-2021-43229, an integer overflow vulnerability in Windows NTFS leading to a pool-based buffer overflow. The exploit targets the `TxfAllocateAndStoreNameForTxLogging` function via transacted file operations.
Description
Windows NTFS Elevation of Privilege Vulnerability
Exploits (1)
nomisec
WORKING POC
1 stars
by Citizen13X · poc
https://github.com/Citizen13X/CVE-2021-43229
This repository contains a proof-of-concept exploit for CVE-2021-43229, an integer overflow vulnerability in Windows NTFS leading to a pool-based buffer overflow. The exploit targets the `TxfAllocateAndStoreNameForTxLogging` function via transacted file operations.
Classification
Working Poc 90%
Attack Type
Lpe
Complexity
Complex
Reliability
Theoretical
Target:
Windows 10 (versions 1387, 1415) with NTFS
No auth needed
Prerequisites:
Windows 10 with vulnerable NTFS version · Ability to create transacted files
MITRE ATT&CK
mistral-large-3 · analyzed Feb 16, 2026
Full analysis →
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43229
Scores
CVSS v3
7.8
EPSS
0.0176
EPSS Percentile
75.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
Status
published
Products (19)
microsoft/windows_10
(2 CPE variants)
microsoft/windows_10
20h2 (3 CPE variants)
microsoft/windows_10
21h1 (3 CPE variants)
microsoft/windows_10
1607 (2 CPE variants)
microsoft/windows_10
1809 (3 CPE variants)
microsoft/windows_10
1909 (3 CPE variants)
microsoft/windows_10
2004 (3 CPE variants)
microsoft/windows_11
(2 CPE variants)
microsoft/windows_7
(2 CPE variants)
microsoft/windows_8.1
(2 CPE variants)
... and 9 more
Published
Dec 15, 2021
Tracked Since
Feb 18, 2026