CVE-2025-32463
Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability
Sudo Sudo
Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the --chroot option.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 29 September 2025. US federal agencies were required to remediate it by 20 October 2025.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 55.5%, which is higher than 99% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Frequently asked questions
Is CVE-2025-32463 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2025-32463.
What does CVE-2025-32463 affect?
CVE-2025-32463 affects Sudo Sudo. Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the --chroot option.
How severe is CVE-2025-32463?
CVE-2025-32463 is rated CRITICAL with a CVSS base score of 9.3. EPSS puts the probability of exploitation in the next 30 days at 55.5%, higher than 99% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 20 October 2025.
How should organisations respond to CVE-2025-32463?
Apply the vendor patch for Sudo Sudo as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.