Information disclosure in Duckduckgo Browser

CVE-2025-48464

Successful exploitation of the vulnerability could allow an unauthenticated attacker to gain access to a victim’s Sync account data such as account credentials and email protection information.

Vulnerability class: Information Disclosure

EPSS: 0.001 (3.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-48464?
CVE-2025-48464 is a medium-severity vulnerability in Duckduckgo Browser, classified under Information Disclosure. CVSS score: 4.7/10. Published 2025-10-08.
How severe is CVE-2025-48464?
Medium severity. CVSS v3 base score is 4.7 out of 10.