CVE Tools
Track your stack

CWE-191

231 CVEs across 32 months on the top 50 list since Apr 2004. Peak rank #1 in Nov 2004.

CWE-191 CVEs per month since Apr 2004

Nov 2021 to Oct 2026 in the lens. Point at a month to read it, or drag the frame to move through the record.Tallest in the lens: 48, Aug 2026
Nov 2021: below the top 50 that month, 6 or fewer CVEsDec 2021: below the top 50 that month, 7 or fewer CVEsJan 2022: below the top 50 that month, 7 or fewer CVEsFeb 2022: below the top 50 that month, 7 or fewer CVEsMar 2022: below the top 50 that month, 7 or fewer CVEsApr 2022: below the top 50 that month, 8 or fewer CVEsMay 2022: below the top 50 that month, 7 or fewer CVEsJun 2022: below the top 50 that month, 8 or fewer CVEsJul 2022: below the top 50 that month, 8 or fewer CVEsAug 2022: below the top 50 that month, 9 or fewer CVEsSep 2022: below the top 50 that month, 8 or fewer CVEsOct 2022: below the top 50 that month, 8 or fewer CVEsNov 2022: below the top 50 that month, 8 or fewer CVEsDec 2022: below the top 50 that month, 8 or fewer CVEsJan 2023: below the top 50 that month, 7 or fewer CVEsFeb 2023: below the top 50 that month, 9 or fewer CVEsMar 2023: no snapshot, the run for this month failedApr 2023: 9 CVEs · rank #46May 2023: below the top 50 that month, 9 or fewer CVEsJun 2023: below the top 50 that month, 8 or fewer CVEsJul 2023: below the top 50 that month, 8 or fewer CVEsAug 2023: below the top 50 that month, 9 or fewer CVEsSep 2023: below the top 50 that month, 7 or fewer CVEsOct 2023: below the top 50 that month, 8 or fewer CVEsNov 2023: below the top 50 that month, 8 or fewer CVEsDec 2023: below the top 50 that month, 8 or fewer CVEsJan 2024: below the top 50 that month, 9 or fewer CVEsFeb 2024: below the top 50 that month, 11 or fewer CVEsMar 2024: below the top 50 that month, 8 or fewer CVEsApr 2024: 10 CVEs · rank #48May 2024: below the top 50 that month, 13 or fewer CVEsJun 2024: below the top 50 that month, 10 or fewer CVEsJul 2024: 10 CVEs · rank #49Aug 2024: below the top 50 that month, 8 or fewer CVEsSep 2024: below the top 50 that month, 9 or fewer CVEsOct 2024: below the top 50 that month, 13 or fewer CVEsNov 2024: below the top 50 that month, 13 or fewer CVEsDec 2024: 17 CVEs · rank #36Jan 2025: below the top 50 that month, 15 or fewer CVEsFeb 2025: 13 CVEs · rank #49Mar 2025: below the top 50 that month, 13 or fewer CVEsApr 2025: below the top 50 that month, 12 or fewer CVEsMay 2025: below the top 50 that month, 14 or fewer CVEsJun 2025: below the top 50 that month, 12 or fewer CVEsJul 2025: below the top 50 that month, 14 or fewer CVEsAug 2025: below the top 50 that month, 14 or fewer CVEsSep 2025: below the top 50 that month, 16 or fewer CVEsOct 2025: below the top 50 that month, 14 or fewer CVEsNov 2025: below the top 50 that month, 11 or fewer CVEsDec 2025: below the top 50 that month, 14 or fewer CVEsJan 2026: below the top 50 that month, 15 or fewer CVEsFeb 2026: below the top 50 that month, 16 or fewer CVEsMar 2026: below the top 50 that month, 30 or fewer CVEsApr 2026: 26 CVEs · rank #49May 2026: below the top 50 that month, 30 or fewer CVEsJun 2026: below the top 50 that month, 35 or fewer CVEsJul 2026: below the top 50 that month, 39 or fewer CVEsAug 2026: 48 CVEs · rank #46Sep 2026: below the top 50 that month, 52 or fewer CVEsOct 2026 so far: 61 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
#1 in Nov 2004
Busiest month
Oct 2026, 61 CVEs
First on the list
Apr 2004
On the top 50 list
32 of 252 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. 19 months have no snapshot because the run failed.

MethodologyAll months on record