CVE-2026-12320
Medium
Description
Information disclosure in the Password Manager component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Mozilla Firefox
PublishedJun 16, 2026
First seenJun 16, 2026
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- mozilla firefox152.0.0 or later
- mozilla thunderbird152.0.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 152.0.0 | 152.0.0 |
| mozilla thunderbird | v < 152.0.0 | 152.0.0 |
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