Excel
by Microsoft
Take action — actively targeted
Excel 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
48.3%
Confirmed actively exploited (CISA)
2.1%
Public exploit code available
1.3%
Based on 234 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-2009-3129 | 7.8 | 91.2% | Yes |
| CVE-2016-7262 | 7.8 | 87.1% | Yes |
| CVE-2008-0081 | 9.8 | 81.8% | — |
| CVE-2010-0258 | 7.8 | 71.4% | — |
| CVE-2007-0671 | 8.8 | 66.8% | Yes |
| CVE-2017-11884 | 7.8 | 49.9% | — |
| CVE-2017-0194 | 5.5 | 44.2% | — |
| CVE-2016-7236 | 7.8 | 44.1% | — |
| CVE-2021-31178 | 5.5 | 41.9% | — |
| CVE-2019-1297 | 8.8 | 40.7% | Yes |
| CVE-2016-0136 | 7.8 | 40.6% | — |
| CVE-2023-32029 | 7.8 | 40.3% | — |
| CVE-2016-0122 | 7.8 | 39.9% | — |
| CVE-2019-1331 | 8.8 | 38.3% | — |
| CVE-2019-1448 | 7.8 | 38.0% | — |
| CVE-2018-8375 | 7.8 | 37.4% | — |
| CVE-2018-1029 | 7.8 | 37.4% | — |
| CVE-2018-1027 | 7.8 | 37.4% | — |
| CVE-2023-33133 | 7.8 | 37.2% | — |
| CVE-2017-8510 | 8.8 | 36.4% | — |
52
/ 100
high-risk
Active Threat
50/50 · Critical
Exploit Availability
2/50 · Minimal
Score uses Wilson score intervals to account for sample size. Products with few CVEs are scored conservatively.