CVE-2013-3891
CVE-2013-3891 is a critical-severity vulnerability in Microsoft Word with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 19% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Microsoft Word
- Published:
- Last modified:
Description
Microsoft Word 2003 SP3 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Memory Corruption Vulnerability."
Frequently asked questions
- What is CVE-2013-3891?
- Microsoft Word 2003 SP3 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Memory Corruption Vulnerability."
- How severe is CVE-2013-3891?
- CVE-2013-3891 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2013-3891 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2013-3891?
- CVE-2013-3891 affects Microsoft Word. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2013-3891?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2013-3891 published?
- CVE-2013-3891 was published on 2013-10-09 and last updated on 2026-06-16.
References
- http://www.us-cert.gov/ncas/alerts/TA13-288A
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-086
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18643
Affected products (1)
- cpe:2.3:a:microsoft:word:2003:sp3:*:*:*:*:*:*
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