CVE Tools
Track your stack

Improper Certificate Validation

1,189 CVEs across 107 months on the top 50 list since Sep 2002. Peak rank #1 in Sep 2002.

CWE-295 CVEs per month since Sep 2002

Oct 2021 to Sep 2026 in the lens. Point at a month to read it, or drag the frame to move through the record.Tallest in the lens: 60, Aug 2026
Oct 2021: 7 CVEs · rank #44Nov 2021: 11 CVEs · rank #28Dec 2021: 8 CVEs · rank #46Jan 2022: not on the top 50 that monthFeb 2022: 20 CVEs · rank #24Mar 2022: 11 CVEs · rank #40Apr 2022: not on the top 50 that monthMay 2022: 12 CVEs · rank #34Jun 2022: 10 CVEs · rank #44Jul 2022: 11 CVEs · rank #33Aug 2022: not on the top 50 that monthSep 2022: 13 CVEs · rank #34Oct 2022: not on the top 50 that monthNov 2022: 8 CVEs · rank #50Dec 2022: 8 CVEs · rank #50Jan 2023: not on the top 50 that monthFeb 2023: 15 CVEs · rank #39Mar 2023: not on the top 50 that monthApr 2023: 14 CVEs · rank #35May 2023: 16 CVEs · rank #31Jun 2023: 9 CVEs · rank #47Jul 2023: not on the top 50 that monthAug 2023: not on the top 50 that monthSep 2023: 12 CVEs · rank #32Oct 2023: 13 CVEs · rank #39Nov 2023: not on the top 50 that monthDec 2023: 9 CVEs · rank #43Jan 2024: not on the top 50 that monthFeb 2024: 12 CVEs · rank #42Mar 2024: 9 CVEs · rank #41Apr 2024: not on the top 50 that monthMay 2024: not on the top 50 that monthJun 2024: not on the top 50 that monthJul 2024: 13 CVEs · rank #41Aug 2024: 16 CVEs · rank #38Sep 2024: 13 CVEs · rank #38Oct 2024: 15 CVEs · rank #45Nov 2024: not on the top 50 that monthDec 2024: 12 CVEs · rank #48Jan 2025: 16 CVEs · rank #46Feb 2025: not on the top 50 that monthMar 2025: not on the top 50 that monthApr 2025: not on the top 50 that monthMay 2025: 15 CVEs · rank #47Jun 2025: 14 CVEs · rank #42Jul 2025: not on the top 50 that monthAug 2025: 20 CVEs · rank #40Sep 2025: not on the top 50 that monthOct 2025: not on the top 50 that monthNov 2025: 13 CVEs · rank #44Dec 2025: not on the top 50 that monthJan 2026: not on the top 50 that monthFeb 2026: 31 CVEs · rank #36Mar 2026: 38 CVEs · rank #41Apr 2026: 34 CVEs · rank #40May 2026: 50 CVEs · rank #37Jun 2026: 37 CVEs · rank #46Jul 2026: not on the top 50 that monthAug 2026: 60 CVEs · rank #41Sep 2026 so far: 62 CVEs · rank #34

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
#1 in Sep 2002
Busiest month
Sep 2026, 62 CVEs
First on the list
Sep 2002
On the top 50 list
107 of 289 monthly snapshots

Each monthly snapshot keeps the top 50 weakness classes by CVEs. A month below the cut shows the most it could have had: the smallest count that made the list.

MethodologyAll months on record

We use analytics cookies to see which pages and articles actually help people. Decline and none of them run — the site works the same. What we store