CVE-2021-43226: Microsoft Windows Privilege Escalation Vulnerability

This content originally appeared on DEV Community and was authored by Freedom Coder

CVE ID

CVE-2021-43226

Vulnerability Name

Microsoft Windows Privilege Escalation Vulnerability

Project: Microsoft
Product: Windows

Date

Date Added: 2025-10-06
Due Date: 2025-10-27

Description

Microsoft Windows Common Log File System Driver contains a privilege escalation vulnerability that could allow a local, privileged attacker to bypass certain security mechanisms.

Known To Be Used in Ransomware Campaigns?

Unknown

Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Additional Notes

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-43226 ; https://nvd.nist.gov/vuln/detail/CVE-2021-43226

More CVEs Info

Common Vulnerabilities & Exposures (CVE) List

This content originally appeared on DEV Community and was authored by Freedom Coder

Print Share Comment Cite Upload Translate Updates

APA

Freedom Coder | Sciencx (2025-10-06T19:03:59+00:00) CVE-2021-43226: Microsoft Windows Privilege Escalation Vulnerability. Retrieved from https://www.scien.cx/2025/10/06/cve-2021-43226-microsoft-windows-privilege-escalation-vulnerability/

MLA

" » CVE-2021-43226: Microsoft Windows Privilege Escalation Vulnerability." Freedom Coder | Sciencx - Monday October 6, 2025, https://www.scien.cx/2025/10/06/cve-2021-43226-microsoft-windows-privilege-escalation-vulnerability/

HARVARD

Freedom Coder | Sciencx Monday October 6, 2025 » CVE-2021-43226: Microsoft Windows Privilege Escalation Vulnerability., viewed ,<https://www.scien.cx/2025/10/06/cve-2021-43226-microsoft-windows-privilege-escalation-vulnerability/>

VANCOUVER

Freedom Coder | Sciencx - » CVE-2021-43226: Microsoft Windows Privilege Escalation Vulnerability. [Internet]. [Accessed ]. Available from: https://www.scien.cx/2025/10/06/cve-2021-43226-microsoft-windows-privilege-escalation-vulnerability/

CHICAGO

" » CVE-2021-43226: Microsoft Windows Privilege Escalation Vulnerability." Freedom Coder | Sciencx - Accessed . https://www.scien.cx/2025/10/06/cve-2021-43226-microsoft-windows-privilege-escalation-vulnerability/

IEEE

" » CVE-2021-43226: Microsoft Windows Privilege Escalation Vulnerability." Freedom Coder | Sciencx [Online]. Available: https://www.scien.cx/2025/10/06/cve-2021-43226-microsoft-windows-privilege-escalation-vulnerability/. [Accessed: ]

rf:citation

» CVE-2021-43226: Microsoft Windows Privilege Escalation Vulnerability | Freedom Coder | Sciencx | https://www.scien.cx/2025/10/06/cve-2021-43226-microsoft-windows-privilege-escalation-vulnerability/ |

Please log in to upload a file.

There are no updates yet.
Click the Upload button above to add an update.

You must be logged in to translate posts. Please log in or register.