CVE-2011-1975

Untrusted search path vulnerability in the Data Access Tracing component in Windows Data Access Components (Windows DAC) 6.0 in Microsoft Windows 7 Gold and SP1 and Windows Server 2008 R2 and R2 SP1 allows local users to gain privileges via a Trojan horse DLL in the current working directory, as demonstrated by a directory that contains an Excel .xlsx file, aka "Data Access Components Insecure Library Loading Vulnerability."

Published: 2011-08-10 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-1975 is rated High Risk (66.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 43.80%, 97th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-1975

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-10-18 56.02% 43.80% -12.22%
2 2025-04-10 64.53% 56.02% -8.51%
3 2025-03-30 — 64.53% —

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1975

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2011-1975

NVD evaluator notes for CVE-2011-1975

Impact: Per: http://www.microsoft.com/technet/security/Bulletin/MS11-059.mspx Access Vector: Network per "This is a remote code execution vulnerability"

Comment: Per: http://cwe.mitre.org/data/definitions/426.html 'CWE-426: Untrusted Search Path'

Affected software / configurations for CVE-2011-1975

Vendor Product Version Raw CPE
microsoft windows_7 — cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*
microsoft windows_7 — cpe:2.3:o:microsoft:windows_7:-:sp1:x64:*:*:*:*:*
microsoft windows_7 — cpe:2.3:o:microsoft:windows_7:-:sp1:x86:*:*:*:*:*
microsoft windows_server_2008 r2 cpe:2.3:o:microsoft:windows_server_2008:r2:*:itanium:*:*:*:*:*
microsoft windows_server_2008 r2 cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:*

References for CVE-2011-1975

cvelogic Threat Intelligence