Vulnerability Severity
Free Vulnerability Severity calculator with clear step-by-step results.
About Vulnerability Severity
Blends the CVSS base score with practical exploitability.
Formula
Formula
Severity = 0.7 × CVSS + 0.3 × exploitability
Worked example
With the default values below, Vulnerability Severity returns Severity of High. Change any input above and every figure here is recalculated in your browser.
Inputs used
- CVSS scoreaccepts 0–10
- 8.5
- Exploitability (0-10)accepts 0–10
- 7
Results
- Severity
- High
- Numeric Severity
- 8.0
- Suggested Action
- Patch within 7 days
Step by step
- 1Values used
- 2Formula
- 3Severity= High
- 4Numeric Severity= 8.0
- 5Suggested Action= Patch within 7 days
Assumptions and limits
- The result is derived only from the 2 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to 1 decimal place, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How does this calculator work?
Blends the CVSS base score with practical exploitability.
Why does this matter?
Context (exposure, compensating controls) can override.
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