CVE-2013-3859

Microsoft Pinyin IME 2010, when used in conjunction with Microsoft Office 2010 SP1, does not properly restrict configuration options, which allows local users to gain privileges by starting Internet Explorer from the IME toolbar, aka "Chinese IME Vulnerability."

Published: 2013-09-11 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-3859 is rated Moderate Risk (54.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.65%). EPSS rose +1.19% over the last day, indicating growing attacker interest. Review affected assets and schedule 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-2013-3859

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 0.46% 1.65% +1.19%
2 2025-03-30 0.34% 0.46% +0.12%
3 2025-03-29 — 0.34% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-3859

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.9 2.0 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
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.
 3.4 10.0 [email protected]

Weakness enumeration for CVE-2013-3859

Affected software / configurations for CVE-2013-3859

Vendor Product Version Raw CPE
microsoft office 2010 cpe:2.3:a:microsoft:office:2010:sp1:*:*:*:*:*:*
microsoft office 2010 cpe:2.3:a:microsoft:office:2010:sp1:x64:*:*:*:*:*
microsoft office 2010 cpe:2.3:a:microsoft:office:2010:sp1:x86:*:*:*:*:*
microsoft pinyin_ime 2010 cpe:2.3:a:microsoft:pinyin_ime:2010:*:*:*:*:*:x64:*
microsoft pinyin_ime 2010 cpe:2.3:a:microsoft:pinyin_ime:2010:*:*:*:*:x86:*:*

References for CVE-2013-3859

cvelogic Threat Intelligence