Is CVE-2013-3859 being actively exploited?

CVE-2013-3859 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-3859?

CVE-2013-3859 has a CVSS 2.0 base score of 6.9 (MEDIUM).

CVE-2013-3859

MEDIUM · CVSS 6.9EPSS 1.7%EU EUVD

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."

Key facts

CVSS score: 6.9 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-264
EPSS score: 1.7% (77th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-3791)
Published: September 11, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-3791 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / office
microsoft / office
microsoft / office
microsoft / pinyin ime
microsoft / pinyin ime

References

http://www.us-cert.gov/ncas/alerts/TA13-253A(US Government Resource)
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-075

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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