Use After Free
8,004 CVEs across 184 months on the top 50 list since Aug 2006. Peak rank #2 in Jun 2026.
CWE-416 CVEs per month since Aug 2006
Oct 2021: 38 CVEs · rank #8Nov 2021: 50 CVEs · rank #6Dec 2021: 54 CVEs · rank #8Jan 2022: 69 CVEs · rank #5Feb 2022: 87 CVEs · rank #4Mar 2022: 34 CVEs · rank #15Apr 2022: 60 CVEs · rank #7May 2022: 65 CVEs · rank #7Jun 2022: 34 CVEs · rank #14Jul 2022: 111 CVEs · rank #4Aug 2022: 62 CVEs · rank #6Sep 2022: 60 CVEs · rank #7Oct 2022: 40 CVEs · rank #14Nov 2022: 56 CVEs · rank #8Dec 2022: 58 CVEs · rank #8Jan 2023: 51 CVEs · rank #11Feb 2023: 37 CVEs · rank #13Mar 2023: not on the top 50 that monthApr 2023: 48 CVEs · rank #7May 2023: 40 CVEs · rank #14Jun 2023: 61 CVEs · rank #7Jul 2023: 61 CVEs · rank #8Aug 2023: 71 CVEs · rank #9Sep 2023: 64 CVEs · rank #6Oct 2023: 53 CVEs · rank #11Nov 2023: 57 CVEs · rank #10Dec 2023: 34 CVEs · rank #20Jan 2024: 68 CVEs · rank #12Feb 2024: 92 CVEs · rank #6Mar 2024: 68 CVEs · rank #10Apr 2024: 115 CVEs · rank #8May 2024: 285 CVEs · rank #4Jun 2024: 69 CVEs · rank #9Jul 2024: 95 CVEs · rank #5Aug 2024: 85 CVEs · rank #8Sep 2024: 69 CVEs · rank #9Oct 2024: 121 CVEs · rank #3Nov 2024: 97 CVEs · rank #11Dec 2024: 102 CVEs · rank #10Jan 2025: 60 CVEs · rank #18Feb 2025: 147 CVEs · rank #4Mar 2025: 78 CVEs · rank #13Apr 2025: 82 CVEs · rank #14May 2025: 100 CVEs · rank #11Jun 2025: 87 CVEs · rank #10Jul 2025: 91 CVEs · rank #15Aug 2025: 98 CVEs · rank #11Sep 2025: 137 CVEs · rank #8Oct 2025: 132 CVEs · rank #7Nov 2025: 50 CVEs · rank #18Dec 2025: 55 CVEs · rank #25Jan 2026: 83 CVEs · rank #17Feb 2026: 79 CVEs · rank #20Mar 2026: 106 CVEs · rank #21Apr 2026: 215 CVEs · rank #7May 2026: 305 CVEs · rank #4Jun 2026: 436 CVEs · rank #2Jul 2026: 332 CVEs · rank #8Aug 2026: 220 CVEs · rank #18Sep 2026 so far: 361 CVEs · rank #5
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
- #2 in Jun 2026
- Busiest month
- Jun 2026, 436 CVEs
- First on the list
- Aug 2006
- On the top 50 list
- 184 of 242 monthly snapshots