Bugs

Does software still break?

Contributes to: Is software cheaper and more reliable?. Signal score: 0 / 100. Relative weight within this question: 1.

StatusMore reported

Latest value98,371

Year over year+109%

Distance from highAt its high

Caution

This counts reported vulnerabilities, not all bugs. More software and better detection, including by AI, also raise the count.

Observed trend

New published vulnerabilities, rolling 12 months, one point per month.

This chart shows counts. The score below adjusts counts for git pushes, so the two can move in opposite directions.

New published vulnerabilities, rolling 12 months, one point per month. · 2019-12 – 2026-10

Inspect a point 2026-10 — New published vulnerabilities, rolling 12 months, one point per month.: 98,371

View data table

Period / observation	New published vulnerabilities, rolling 12 months, one point per month.
2019-12	17,305
2020-01	17,749
2020-02	18,305
2020-03	18,877
2020-04	19,531
2020-05	19,232
2020-06	19,764
2020-07	19,563
2020-08	18,717
2020-09	18,779
2020-10	18,776
2020-11	18,370
2020-12	18,322
2021-01	18,190
2021-02	18,252
2021-03	17,944
2021-04	17,575
2021-05	18,031
2021-06	17,957
2021-07	18,122
2021-08	19,052
2021-09	19,361
2021-10	19,499
2021-11	19,736
2021-12	20,149
2022-01	20,641
2022-02	21,127
2022-03	21,739
2022-04	21,967
2022-05	22,515
2022-06	23,082
2022-07	23,469
2022-08	23,701
2022-09	23,996
2022-10	24,144
2022-11	24,594
2022-12	25,073
2023-01	25,394
2023-02	25,574
2023-03	26,032
2023-04	26,316
2023-05	26,713
2023-06	26,818
2023-07	27,154
2023-08	27,314
2023-09	27,265
2023-10	28,096
2023-11	28,587
2023-12	28,816
2024-01	29,073
2024-02	29,729
2024-03	30,522
2024-04	31,813
2024-05	34,394
2024-06	35,088
2024-07	35,896
2024-08	36,315
2024-09	36,681
2024-10	37,565
2024-11	39,172
2024-12	39,953
2025-01	41,634
2025-02	42,529
2025-03	43,218
2025-04	43,631
2025-05	42,612
2025-06	43,215
2025-07	43,878
2025-08	44,610
2025-09	46,417
2025-10	47,126
2025-11	46,091
2025-12	48,151
2026-01	48,178
2026-02	49,121
2026-03	51,357
2026-04	53,133
2026-05	56,089
2026-06	60,350
2026-07	66,344
2026-08	74,972
2026-09	85,584
2026-10	98,371

Metric: New vulnerabilities published in the National Vulnerability Database, last 12 months
Solved if: Fewer serious defects are found each year
Signal score: 0 / 100. Per git push: Up 23% since ChatGPT launched. How it is scored
Status rule: More reported when more vulnerabilities are published than in the 12 months before.

The reading on each date we checked, separate from the historical observations above.

Date	Value	Year over year	Status
2026-11-02	98,371	+109%	More reported
2026-11-01	98,371	+109%	More reported

Source	Role	Measures	Latest data
National Vulnerability Database	Scored measurement	Every published CVE	Nov 1, 2026