What was exposed, when it happened, and which databases confirm it.
- accounts
- 431,371
- Breached
- January 24, 2026
- Last Update
- February 20, 2026
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
Your address never leaves this page: it is hashed in your browser and only a short fragment of that hash is sent.
What happened
In January 2026, data allegedly sourced from US automotive retailer CarMax was published online following a failed extortion attempt. The data included 431k unique email addresses along with names, phone numbers and physical addresses.
Compromised Info
- Email addresses
- Names
- Phone numbers
- Physical addresses
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
Sources & Link Methods
- LeakCheck— linked via automatic string matching
- HIBP
FAQ
What was leaked in the CarMax breach?
The CarMax breach exposed: Email addresses, Names, Phone numbers, and Physical addresses.
When did the CarMax breach happen?
The CarMax breach was disclosed on January 24, 2026 and affected 431,371 records.
Am I affected by the CarMax breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the CarMax leak.