CVE-2016-3358
CVE-2016-3358 is a high-severity vulnerability in Microsoft Excel with a CVSS 3.x base score of 7.8. Its EPSS exploit-prediction score of 18% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 9.3
- EPSS exploit prediction: 18% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Microsoft Excel
- Published:
- Last modified:
Description
Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Excel 2016 for Mac, Office Compatibility Pack SP3, Excel Viewer, Excel Services on SharePoint Server 2007 SP3, Excel Services on SharePoint Server 2010 SP2, Excel Automation Services on SharePoint Server 2013 SP1, and Office Online Server allow remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office Memory Corruption Vulnerability."
Frequently asked questions
- What is CVE-2016-3358?
- Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Excel 2016 for Mac, Office Compatibility Pack SP3, Excel Viewer, Excel Services on SharePoint Server 2007 SP3, Excel Services on SharePoint Server 2010 SP2, Excel Automation Services on SharePoint Server 2013 SP1, and Office Online Server allow remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office Memory Corruption Vulnerability."
- How severe is CVE-2016-3358?
- CVE-2016-3358 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-3358 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-3358?
- CVE-2016-3358 primarily affects Microsoft Excel. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2016-3358?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-3358 published?
- CVE-2016-3358 was published on 2016-09-14 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/92791
- http://www.securitytracker.com/id/1036785
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-107
- https://www.verisign.com/en_US/security-services/security-intelligence/vulnerability-reports/articles/index.xhtml?id=1227
Affected products (12)
- cpe:2.3:a:microsoft:excel:2007:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*
- cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel_for_mac:2016:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel_viewer:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_compatibility_pack:*:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_online_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_designer:2007:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_designer:2010:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_designer:2013:sp1:*:*:*:*:*:*
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