Microsoft Office 2010 SP2, Word 2007 SP3, Word 2010 SP2, Word for Mac 2011, Word 2016 for Mac, and Word Viewer allow remote attackers to execute arbitrary code via a crafted file, aka "Microsoft Office Memory Corruption Vulnerability."
Conclusion & alert: CVE-2016-3317 is rated Moderate Risk (60.3/100): CVSS High severity, with high exploitation likelihood (EPSS 22.13%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: 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.
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 | 2026-06-15 | 31.60% | 22.13% | -9.47% |
| 2 | 2026-05-16 | 30.02% | 31.60% | +1.58% |
| 3 | 2025-09-14 | — | 30.02% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.0 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | office | 2010 | cpe:2.3:a:microsoft:office:2010:sp2:x64:*:*:*:*:* |
| microsoft | office | 2010 | cpe:2.3:a:microsoft:office:2010:sp2:x86:*:*:*:*:* |
| microsoft | word | 2007 | cpe:2.3:a:microsoft:word:2007:sp3:*:*:*:*:*:* |
| microsoft | word | 2010 | cpe:2.3:a:microsoft:word:2010:sp2:*:*:*:*:*:* |
| microsoft | word_for_mac | 2011 | cpe:2.3:a:microsoft:word_for_mac:2011:*:*:*:*:*:*:* |
| microsoft | word_viewer | — | cpe:2.3:a:microsoft:word_viewer:*:*:*:*:*:*:*:* |