CVE-2014-6357
CVE-2014-6357 is a critical-severity vulnerability in Microsoft Office 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.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 19% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Office
- Published:
- Last modified:
Description
Use-after-free vulnerability in Microsoft Office 2010 SP2, Office 2013 Gold and SP1, Office 2013 RT Gold and SP1, Office for Mac 2011, Word Viewer, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2 and 2013 Gold and SP1, and Office Web Apps 2010 SP2 and 2013 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Use After Free Word Remote Code Execution Vulnerability."
Frequently asked questions
- What is CVE-2014-6357?
- Use-after-free vulnerability in Microsoft Office 2010 SP2, Office 2013 Gold and SP1, Office 2013 RT Gold and SP1, Office for Mac 2011, Word Viewer, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2 and 2013 Gold and SP1, and Office Web Apps 2010 SP2 and 2013 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Use After Free Word Remote Code Execution Vulnerability."
- How severe is CVE-2014-6357?
- CVE-2014-6357 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2014-6357 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-2014-6357?
- CVE-2014-6357 primarily affects Microsoft Office. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2014-6357?
- 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-2014-6357 published?
- CVE-2014-6357 was published on 2014-12-11 and last updated on 2026-06-17.
References
Affected products (15)
- cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:x64:*
- cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:x86:*
- cpe:2.3:a:microsoft:office:2011:*:*:*:*:mac:*:*
- cpe:2.3:a:microsoft:office:2013:*:*:*:gold:*:*:*
- cpe:2.3:a:microsoft:office:2013:*:*:*:rt:*:*:*
- cpe:2.3:a:microsoft:office:2013:*:*:*:rt_gold:*:*:*
- cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_compatibility_pack:*:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2010:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2013:-:-:*:gold:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:web_applications:2010:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:web_applications:2013:*:*:*:gold:*:*:*
- cpe:2.3:a:microsoft:web_applications:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:word_viewer:-:*:*:*:*:*:*:*
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