Deserialization
3,108 CVEs across 112 months on the top 50 list since Apr 2005. Peak rank #8 in Jan 2021.
CWE-502 CVEs per month since Apr 2005
Oct 2021: 15 CVEs · rank #25Nov 2021: not on the top 50 that monthDec 2021: 25 CVEs · rank #17Jan 2022: 13 CVEs · rank #30Feb 2022: not on the top 50 that monthMar 2022: 12 CVEs · rank #38Apr 2022: 13 CVEs · rank #33May 2022: 13 CVEs · rank #31Jun 2022: 8 CVEs · rank #49Jul 2022: 22 CVEs · rank #18Aug 2022: 17 CVEs · rank #30Sep 2022: 18 CVEs · rank #29Oct 2022: 33 CVEs · rank #17Nov 2022: 22 CVEs · rank #24Dec 2022: 10 CVEs · rank #45Jan 2023: 18 CVEs · rank #30Feb 2023: 27 CVEs · rank #19Mar 2023: not on the top 50 that monthApr 2023: 15 CVEs · rank #34May 2023: 14 CVEs · rank #35Jun 2023: 24 CVEs · rank #21Jul 2023: 19 CVEs · rank #24Aug 2023: 14 CVEs · rank #34Sep 2023: 27 CVEs · rank #21Oct 2023: 27 CVEs · rank #26Nov 2023: 21 CVEs · rank #23Dec 2023: 43 CVEs · rank #13Jan 2024: 34 CVEs · rank #21Feb 2024: 33 CVEs · rank #23Mar 2024: 41 CVEs · rank #17Apr 2024: 24 CVEs · rank #30May 2024: 47 CVEs · rank #24Jun 2024: 35 CVEs · rank #19Jul 2024: 29 CVEs · rank #26Aug 2024: 25 CVEs · rank #26Sep 2024: 30 CVEs · rank #21Oct 2024: 40 CVEs · rank #21Nov 2024: 51 CVEs · rank #22Dec 2024: 34 CVEs · rank #21Jan 2025: 53 CVEs · rank #21Feb 2025: 31 CVEs · rank #28Mar 2025: 63 CVEs · rank #17Apr 2025: 65 CVEs · rank #17May 2025: 74 CVEs · rank #19Jun 2025: 58 CVEs · rank #21Jul 2025: 56 CVEs · rank #23Aug 2025: 54 CVEs · rank #22Sep 2025: 56 CVEs · rank #24Oct 2025: 70 CVEs · rank #19Nov 2025: 40 CVEs · rank #24Dec 2025: 96 CVEs · rank #13Jan 2026: 57 CVEs · rank #28Feb 2026: 82 CVEs · rank #17Mar 2026: 119 CVEs · rank #18Apr 2026: 61 CVEs · rank #32May 2026: 89 CVEs · rank #27Jun 2026: 185 CVEs · rank #10Jul 2026: 125 CVEs · rank #24Aug 2026: 147 CVEs · rank #23Sep 2026 so far: 127 CVEs · rank #23
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
- #8 in Jan 2021
- Busiest month
- Jun 2026, 185 CVEs
- First on the list
- Apr 2005
- On the top 50 list
- 112 of 258 monthly snapshots