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CVE Watch—

CVE-2011-2005

Microsoft Ancillary Function Driver (afd.sys) Improper Input Validation Vulnerability

CVSS

—

No CVSS

EPSS

31.8%

p98

KEV

YES

Mar 28, 2022

Exploit Today

79

0-100

Published: — · Last modified: —

EPSS · 30d
31.8%EPSS · 30 days31.8%
2026-08-022026-08-31
KEV catalog record

Product

Microsoft / Ancillary Function Driver (afd.sys)

Vulnerability

Microsoft Ancillary Function Driver (afd.sys) Improper Input Validation Vulnerability

Added to KEV

Mar 28, 2022

Remediate by

Apr 18, 2022

Known ransomware use

No

Summary 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.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2011-2005

Related CVEs

No related CVEs by CWE or product.