Zero Day Clock
The gap between vulnerability disclosure and exploitation is collapsing to zero.
Median TTE 2018
63.0d
Median TTE 2023
0.8d
Median TTE 2025
3.6h
Exploited ≤24h (Last 12m)
57.7%
CVE-Exploit Pairs Tracked
6,079
Median Time-to-Exploit
zerodayclock.com
Projected Milestones
When 50% of exploited vulnerabilities will be weaponized within:
1 Day
~2028
1 Hour
~2037
1 Minute
~2049
Fastest Exploited CVEs
1
CVE-2025-48461
Successful exploitation of the vulnerability could
MEDIUM< 1h
2
CVE-2025-43929
open_actions.py in kitty before 0.41.0 does not as
HIGH< 1h
3
CVE-2025-26198
CloudClassroom-PHP-Project v1.0 contains a critica
CRITICAL< 1h
4
CVE-2024-50340
symfony/runtime is a module for the Symphony PHP f
HIGH< 1h
5
CVE-2025-2807
The Motors – Car Dealership & Classified Listings
HIGH< 1h