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Vulnerabilities

Security incident · 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

Published Oct 8, 2025 · catalog updated Oct 8, 2025 · DuckDuckGo DuckDuckGo Browser

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-48464. EPSS is 0.14%. Act only if a listed version of DuckDuckGo DuckDuckGo Browser is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.14%
Remediation
Vendor / distro source
Affected products
vendor DuckDuckGo DuckDuckGo Browser 5.246.0 and below

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor DuckDuckGo DuckDuckGo Browser 5.246.0 and below5.246.0 and below

How to fix CVE-2025-48464

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-48464. EPSS is 0.14%. Act only if a listed version of DuckDuckGo DuckDuckGo Browser is installed.

Which versions are affected?

Compare what you have installed with DuckDuckGo DuckDuckGo Browser 5.246.0 and below 5.246.0 and below. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.14%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 8, 2025 · EUVD

    Detected

    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.

  2. Oct 8, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-48464

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-48464

    30-day exploitation probability 0.14%

    first.org
  • EUVDVulnerability recordEUVD-2025-31840

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 26, 2026
  • CVE.orgOct 23, 2026
  • EUVDOct 23, 2026