CVE-2021-43226

Microsoft Windows Privilege Escalation Vulnerability
3.3%
EPSS
89%
Percentile
Yes
Known exploited
0
APAC news · 90d
Summary

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

Vendor
Microsoft
Product
Windows
Added to KEV
Oct 6, 2025
Remediation due
Oct 27, 2025 (US federal deadline)
Ransomware use
Known
EPSS
3.3% as of Nov 12
In the news
  • No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
  • none recorded