CVE-2011-2005: Microsoft Ancillary Function Driver (afd.sys) Improper Input Validation Vulnerability
CVE-2011-2005 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-03-28
The Ancillary Function Driver (afd.sys) in Microsoft Windows fails to properly validate user-mode input passed to kernel mode. This flaw allows a local attacker to gain elevated privileges by executing a specially crafted application.
Yes. CVE-2011-2005 is known to be exploited in the wild, first recorded on 28 March 2022. Treat it as urgent.
How severe is CVE-2011-2005?
Critical severity, with a CVSS score of 7.8, published 28 March 2022.
Which products and versions are affected?
Microsoft Windows XP SP2, SP3; Microsoft Windows Server 2003 SP2.
Is there a fix for CVE-2011-2005?
A patch was published on 2011-10-11: Microsoft released security bulletin MS11-080 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2011-2005 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2011-2005?
Check whether you run Microsoft Ancillary Function Driver (AFD.sys). Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Microsoft Windows XP SP2, SP3
Microsoft Windows Server 2003 SP2
Timeline
2011-10-11: disclosed: NVD Published Date
2011-10-11: patched: Microsoft released security bulletin MS11-080
2022-03-28: kev added: Added to CISA Known Exploited Vulnerabilities Catalog