Excel Viewer
by Microsoft
Take action — actively targeted
Excel Viewer is actively targeted by attackers. A significant proportion of its known vulnerabilities are being exploited.
What to do
- Apply all available updates immediately
- Review your exposure — is this internet-facing?
- Monitor vendor advisories for this product
What Attackers Target
Vulnerabilities with high exploit probability
95.3%
Confirmed actively exploited (CISA)
14.0%
Public exploit code available
9.3%
Based on 43 known vulnerabilities. Percentages show the proportion that are actively dangerous — a low percentage means most vulnerabilities in this product are not being exploited.
Most Dangerous Vulnerabilities
| CVE | CVSS | Exploit Probability | Confirmed |
|---|---|---|---|
| CVE-2013-3906 | 7.8 | 92.6% | Yes |
| CVE-2009-3129 | 7.8 | 91.2% | Yes |
| CVE-2016-7262 | 7.8 | 87.1% | Yes |
| CVE-2019-0541 | 8.8 | 83.4% | Yes |
| CVE-2008-0081 | 9.8 | 81.8% | — |
| CVE-2015-2424 | 8.8 | 76.5% | Yes |
| CVE-2007-0671 | 8.8 | 66.8% | Yes |
| CVE-2009-2502 | 8.1 | 47.5% | — |
| CVE-2016-0122 | 7.8 | 39.9% | — |
| CVE-2018-8375 | 7.8 | 37.4% | — |
| CVE-2018-1029 | 7.8 | 37.4% | — |
| CVE-2018-0796 | 8.8 | 36.4% | — |
| CVE-2018-8432 | 7.8 | 33.9% | — |
| CVE-2018-8577 | 7.8 | 32.8% | — |
| CVE-2016-0054 | 7.8 | 31.5% | — |
| CVE-2017-8501 | 7.8 | 31.3% | — |
| CVE-2016-0139 | 7.8 | 30.3% | — |
| CVE-2016-7231 | 7.8 | 30.0% | — |
| CVE-2016-3284 | 7.8 | 30.0% | — |
| CVE-2016-7229 | 7.8 | 29.0% | — |
65
/ 100
high-risk
Active Threat
50/50 · Critical
Exploit Availability
15/50 · Low
Score uses Wilson score intervals to account for sample size. Products with few CVEs are scored conservatively.