CVE-2014-3802

msdia.dll in Microsoft Debug Interface Access (DIA) SDK, as distributed in Microsoft Visual Studio before 2013, does not properly validate an unspecified variable before use in calculating a dynamic-call address, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted PDB file.

Published: 2014-05-20 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-3802 is rated Moderate Risk (61.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 10.93%, 95th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.34% over the last day, indicating growing attacker interest. 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-2014-3802

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 2026-06-15 9.59% 10.93% +1.34%
2 2025-12-14 11.21% 9.59% -1.62%
3 2025-03-30 — 11.21% —

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-3802

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P 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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2014-3802

Affected software / configurations for CVE-2014-3802

Vendor Product Version Raw CPE
microsoft debug_interface_access_software_development_kit — cpe:2.3:a:microsoft:debug_interface_access_software_development_kit:-:*:*:*:*:*:*:*
microsoft visual_studio <= 2012 cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*
microsoft visual_studio 2002 cpe:2.3:a:microsoft:visual_studio:2002:*:*:*:*:*:*:*
microsoft visual_studio 2003 cpe:2.3:a:microsoft:visual_studio:2003:*:*:*:*:*:*:*
microsoft visual_studio 2005 cpe:2.3:a:microsoft:visual_studio:2005:*:*:*:*:*:*:*
microsoft visual_studio 2010 cpe:2.3:a:microsoft:visual_studio:2010:*:*:*:*:*:*:*
microsoft visual_studio 2010 cpe:2.3:a:microsoft:visual_studio:2010:sp1:*:*:*:*:*:*

References for CVE-2014-3802

URL Tags
http://www.securityfocus.com/bid/67398 Third Party Advisory VDB Entry
http://zerodayinitiative.com/advisories/ZDI-14-129/ Third Party Advisory VDB Entry
cvelogic Threat Intelligence