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4,189 CVEs across 116 months on the top 50 list since Sep 1999. Peak rank #5 in 2 months, last Mar 2022.
CWE-434 CVEs per month since Sep 1999
Oct 2021: 46 CVEs · rank #7Nov 2021: 20 CVEs · rank #21Dec 2021: 21 CVEs · rank #22Jan 2022: 28 CVEs · rank #16Feb 2022: 23 CVEs · rank #22Mar 2022: 59 CVEs · rank #5Apr 2022: 58 CVEs · rank #8May 2022: 49 CVEs · rank #8Jun 2022: 28 CVEs · rank #16Jul 2022: 33 CVEs · rank #12Aug 2022: 30 CVEs · rank #19Sep 2022: 38 CVEs · rank #11Oct 2022: 62 CVEs · rank #6Nov 2022: 43 CVEs · rank #10Dec 2022: 33 CVEs · rank #19Jan 2023: 23 CVEs · rank #22Feb 2023: 30 CVEs · rank #16Mar 2023: not on the top 50 that monthApr 2023: 43 CVEs · rank #10May 2023: 39 CVEs · rank #15Jun 2023: 59 CVEs · rank #9Jul 2023: 44 CVEs · rank #13Aug 2023: 35 CVEs · rank #14Sep 2023: 45 CVEs · rank #9Oct 2023: 46 CVEs · rank #18Nov 2023: 42 CVEs · rank #14Dec 2023: 72 CVEs · rank #6Jan 2024: 58 CVEs · rank #14Feb 2024: 67 CVEs · rank #11Mar 2024: 74 CVEs · rank #8Apr 2024: 53 CVEs · rank #17May 2024: 78 CVEs · rank #17Jun 2024: 47 CVEs · rank #13Jul 2024: 58 CVEs · rank #13Aug 2024: 61 CVEs · rank #14Sep 2024: 28 CVEs · rank #23Oct 2024: 96 CVEs · rank #8Nov 2024: 89 CVEs · rank #13Dec 2024: 47 CVEs · rank #13Jan 2025: 72 CVEs · rank #13Feb 2025: 38 CVEs · rank #23Mar 2025: 54 CVEs · rank #19Apr 2025: 66 CVEs · rank #16May 2025: 72 CVEs · rank #20Jun 2025: 59 CVEs · rank #19Jul 2025: 113 CVEs · rank #9Aug 2025: 95 CVEs · rank #12Sep 2025: 75 CVEs · rank #16Oct 2025: 72 CVEs · rank #18Nov 2025: 82 CVEs · rank #8Dec 2025: 101 CVEs · rank #12Jan 2026: 102 CVEs · rank #11Feb 2026: 73 CVEs · rank #24Mar 2026: 81 CVEs · rank #26Apr 2026: 67 CVEs · rank #31May 2026: 60 CVEs · rank #34Jun 2026: 74 CVEs · rank #34Jul 2026: 90 CVEs · rank #30Aug 2026: 115 CVEs · rank #29Sep 2026 so far: 67 CVEs · rank #33
Year by year
Each year's months on the top 50 list of weakness classes. Pick a year to read it in the lens.
The record
- Peak rank
- #5 in 2 months, last Mar 2022
- Busiest month
- Aug 2026, 115 CVEs
- First on the list
- Sep 1999
- On the top 50 list
- 116 of 325 monthly snapshots