CWE-401
1,664 CVEs across 74 months on the top 50 list since Sep 2001. Peak rank #5 in Nov 2019.
CWE-401 CVEs per month since Sep 2001
Aug 2021: not on the top 50 that monthSep 2021: not on the top 50 that monthOct 2021: 9 CVEs · rank #38Nov 2021: not on the top 50 that monthDec 2021: 7 CVEs · rank #49Jan 2022: 7 CVEs · rank #50Feb 2022: 11 CVEs · rank #38Mar 2022: 10 CVEs · rank #43Apr 2022: not on the top 50 that monthMay 2022: 8 CVEs · rank #46Jun 2022: not on the top 50 that monthJul 2022: 10 CVEs · rank #38Aug 2022: 15 CVEs · rank #34Sep 2022: 14 CVEs · rank #33Oct 2022: 27 CVEs · rank #20Nov 2022: 18 CVEs · rank #31Dec 2022: not on the top 50 that monthJan 2023: 12 CVEs · rank #39Feb 2023: not on the top 50 that monthMar 2023: not on the top 50 that monthApr 2023: not on the top 50 that monthMay 2023: 9 CVEs · rank #50Jun 2023: not on the top 50 that monthJul 2023: not on the top 50 that monthAug 2023: 12 CVEs · rank #35Sep 2023: not on the top 50 that monthOct 2023: 11 CVEs · rank #44Nov 2023: not on the top 50 that monthDec 2023: not on the top 50 that monthJan 2024: not on the top 50 that monthFeb 2024: 44 CVEs · rank #18Mar 2024: 31 CVEs · rank #23Apr 2024: 26 CVEs · rank #25May 2024: 129 CVEs · rank #9Jun 2024: 14 CVEs · rank #42Jul 2024: 37 CVEs · rank #22Aug 2024: 26 CVEs · rank #24Sep 2024: not on the top 50 that monthOct 2024: 26 CVEs · rank #27Nov 2024: 19 CVEs · rank #39Dec 2024: 35 CVEs · rank #20Jan 2025: not on the top 50 that monthFeb 2025: 109 CVEs · rank #8Mar 2025: 23 CVEs · rank #36Apr 2025: 19 CVEs · rank #39May 2025: 96 CVEs · rank #15Jun 2025: 38 CVEs · rank #26Jul 2025: 31 CVEs · rank #30Aug 2025: 19 CVEs · rank #44Sep 2025: 155 CVEs · rank #7Oct 2025: 91 CVEs · rank #14Nov 2025: not on the top 50 that monthDec 2025: not on the top 50 that monthJan 2026: 22 CVEs · rank #38Feb 2026: not on the top 50 that monthMar 2026: 33 CVEs · rank #47Apr 2026: 42 CVEs · rank #36May 2026: 121 CVEs · rank #22Jun 2026: not on the top 50 that monthJul 2026: 49 CVEs · rank #41
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 Nov 2019
- Busiest month
- Sep 2025, 155 CVEs
- First on the list
- Sep 2001
- On the top 50 list
- 74 of 299 monthly snapshots