Office Excel Viewer
by Microsoft
Take action — actively targeted
Office 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
100.0%
Confirmed actively exploited (CISA)
33.3%
Public exploit code available
0.0%
Based on 3 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-2009-0557 | 7.8 | 86.4% | Yes |
| CVE-2010-0258 | 7.8 | 71.4% | — |
| CVE-2009-2502 | 8.1 | 47.5% | — |
59
/ 100
high-risk
Active Threat
50/50 · Critical
Exploit Availability
9/50 · Minimal
Score uses Wilson score intervals to account for sample size. Products with few CVEs are scored conservatively.