CVE-2014-4115

Severity: high (CVSS 7.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-10-15 · updated 2026-06-17
Weakness: CWE-399

Description

fastfat.sys (aka the FASTFAT driver) in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Vista SP2, and Server 2008 SP2 does not properly allocate memory, which allows physically proximate attackers to execute arbitrary code or cause a denial of service (reserved-memory write) by connecting a crafted USB device, aka "Microsoft Windows Disk Partition Driver Elevation of Privilege Vulnerability."

Affected products

Microsoft Windows Server 2003: all versions
Microsoft Windows Server 2008: all versions
Microsoft Windows Vista: all versions

References

http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspx
http://secunia.com/advisories/60975
http://www.securityfocus.com/bid/70343
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-063
http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspx
http://secunia.com/advisories/60975
http://www.securityfocus.com/bid/70343
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-063

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