CarMax
carmax.com
About This Breach
CarMax, a US automotive retailer, had data allegedly sourced from its systems published online in January 2026, exposing 431k unique email addresses along with names, phone numbers, and physical addresses.
Data Exposed
Breach Details
| Breach Type | Data Breach |
| Searchable | Yes |
| Verified | Yes |
| Sensitive Data | No |
| Reference | No reference available |
Frequently Asked Questions
When did the CarMax data breach happen?
CarMax was breached in Jan 2026. The breach was added to the XposedOrNot index on February 21, 2026.
How many records were exposed in the CarMax breach?
431,646 records were exposed, making it the #527 largest of the 763 breaches in our index.
What data was exposed in the CarMax breach?
The exposed data includes: Email addresses, Phone numbers, Names, Physical addresses.
What should I do if I was affected by the CarMax breach?
Change your password on the affected service (and anywhere you reused it), turn on two-factor authentication, and set up free breach alerts on XposedOrNot so you know the moment your email appears in a new breach.
What Should You Do?
Enable Two-Factor Authentication
Add 2FA on all supported accounts using an authenticator app like Google Authenticator or Authy.
Watch for Phishing Calls & SMS
Be cautious of unexpected calls or texts asking for personal information.
Beware of Scam Mail
Be skeptical of unexpected correspondence requesting personal details.
Monitor Your Accounts
Set up login alerts and review account activity regularly for suspicious access.