🛡 CVE-2011-2005
Microsoft Ancillary Function Driver (afd.sys) Improper Input Validation Vulnerability
Microsoft Ancillary Function Driver (afd.sys) CWE-264
Ransomware use
—
CISA KEV
EPSS
31.8%
Elevated · 98th pct
Added to KEV
2022-03-28
CISA
Remediate by
2022-04-18
⚠ OVERDUE
CWE
CWE-264
weakness
📈 EPSS exploit probability
31.8%
FIRST EPSS — 30-day probability of exploitation in the wild · band Elevated · higher than 98% of all scored CVEs
⚠ KEV remediation overdue
CISA required federal remediation by 2022-04-18. This exploited vulnerability is past its Binding Operational Directive 22-01 due date — prioritize patch/mitigation and hunt for exploitation.
📄 Description
afd.sys in the Ancillary Function Driver in Microsoft Windows does not properly validate user-mode input passed to kernel mode, which allows local users to gain privileges via a crafted application.
🔗 External references & OSINT
🔄 Internal pivots & actions
🛡 Add to case
🧩 Advanced Capabilities
Workstation · Copilot · AI Skills · Automation · Playbooks · Lookups · Docs · Reports
🤖 AI Copilot
⚡ AI Skills
🔍 Lookup & Enrich
📚 Docs & Reports
💡 Recommendations
- Explore related tools below
- Automate recurring work via cron