CVE-2013-3858

Microsoft Word Automation Services in SharePoint Server 2010 SP1, Word Web App 2010 SP1 in Office Web Apps 2010, Word 2003 SP3, Word 2007 SP3, Word 2010 SP1, Office Compatibility Pack SP3, and Word Viewer allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Office document, aka "Word Memory Corruption Vulnerability," a different vulnerability than CVE-2013-3847, CVE-2013-3848, and CVE-2013-3849.

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-2013-3858 is rated High Risk (72.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 64.17%, 98th 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-2013-3858

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 2026-02-17 63.58% 64.17% +0.59%
2 2025-12-28 57.96% 63.58% +5.62%
3 2025-12-27 — 57.96% —

Full EPSS history (23 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-3858

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-2013-3858

Affected software / configurations for CVE-2013-3858

Vendor Product Version Raw CPE
microsoft office_compatibility_pack — cpe:2.3:a:microsoft:office_compatibility_pack:*:sp3:*:*:*:*:*:*
microsoft word 2003 cpe:2.3:a:microsoft:word:2003:sp3:*:*:*:*:*:*
microsoft word 2007 cpe:2.3:a:microsoft:word:2007:sp3:*:*:*:*:*:*
microsoft word 2010 cpe:2.3:a:microsoft:word:2010:sp1:*:*:*:*:x64:*
microsoft word 2010 cpe:2.3:a:microsoft:word:2010:sp1:*:*:*:x86:*:*
microsoft word_viewer — cpe:2.3:a:microsoft:word_viewer:*:*:*:*:*:*:*:*
microsoft office_web_apps 2010 cpe:2.3:a:microsoft:office_web_apps:2010:sp1:*:*:*:*:*:*
microsoft sharepoint_server 2010 cpe:2.3:a:microsoft:sharepoint_server:2010:sp1:*:*:*:*:*:*

References for CVE-2013-3858

cvelogic Threat Intelligence