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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.001 (2.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-48464: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

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.