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Vulnerability record · CVE-2011-1991 · published 15 September 2011

CVE-2011-1991: Microsoft windows 2003 server vulnerability

Microsoft · Windows 2003 Server

Multiple untrusted search path vulnerabilities in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allow local users to gain privileges via a Trojan horse DLL in the current working directory, as demonstrated by a directory that contains a .doc, .rtf, or .txt file, related to (1) deskpan.dll in the Display Panning CPL Extension, (2) EAPHost Authenticator Service, (3) Folder Redirection, (4) HyperTerminal, (5) the Japanese Input Method Editor (IME), and (6) Microsoft Management Console (MMC), aka "Windows Components Insecure Library Loading Vulnerability."

9.3 CVSS 2.0 High EPSS 12% · top 4.0%
9.3CVSS 2.0 base score
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Multiple untrusted search path vulnerabilities in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allow local users to gain privileges via a Trojan horse DLL in the current working directory, as demonstrated by a directory that contains a .doc, .rtf, or .txt file, related to (1) deskpan.dll in the Display Panning CPL Extension, (2) EAPHost Authenticator Service, (3) Folder Redirection, (4) HyperTerminal, (5) the Japanese Input Method Editor (IME), and (6) Microsoft Management Console (MMC), aka "Windows Components Insecure Library Loading Vulnerability."

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.us-cert.gov/cas/techalerts/TA11-256A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-071
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12871
http://www.us-cert.gov/cas/techalerts/TA11-256A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-071
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12871

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-1991), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.