CVE-2021-43226 — Microsoft Windows Privilege Escalation Vulnerability
2025-10-06 • CISA Known Exploited Vulnerability
[event] Microsoft Windows Common Log File System Driver contains a privilege escalation vulnerability that could allow a local, privileged attacker to bypass certain security mechanisms.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Microsoft |
| Product | Windows |
| CVE ID | CVE-2021-43226 |
| Date Added | 2025-10-06 |
| Due Date | 2025-10-27 |
| Ransomware Campaign | Unknown |
> MITIGATION
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due Date: 2025-10-27