Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability
Sudo project — 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.
9.3
59.4%
Vector breakdown
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Published
- Jun 30, 2025
- Modified
- Jun 17, 2026
- Added to KEV
- Sep 29, 2025
- Federal patch due
- Oct 20, 2025
CISA required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Weakness classification
Affected packages
Proof-of-concept & exploitation references
8 foundWeaponization
Public repositories whose name or description references CVE-2025-32463, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
- pr0v3rbs/CVE-2025-32463_chwoot★ 529
Escalation of Privilege to the root through sudo binary with chroot option. CVE-2025-32463
updated Oct 16, 2026
- kh4sh3i/CVE-2025-32463★ 476
Local Privilege Escalation to Root via Sudo chroot in Linux
updated Oct 14, 2026
- MohamedKarrab/CVE-2025-32463★ 50
Privilege escalation to root using sudo chroot, NO NEED for gcc installed.
updated Oct 15, 2026
- K1tt3h/CVE-2025-32463-POC★ 30
CVE-2025-32463 Proof of concept
updated Sep 25, 2026
- 1xPwn/CVE-2025-32463★ 26
This CVE addresses a vulnerability in sudo versions 1.9.14 to 1.9.17, enabling unauthorized local privilege escalation to root access.
updated Sep 12, 2026
- mirchr/CVE-2025-32463-sudo-chwoot★ 25
PoC for CVE-2025-32463 - Sudo chroot Elevation of Privilege Vulnerability
updated Jun 22, 2026
- zinzloun/CVE-2025-32463★ 14
# CVE-2025-32463 – Sudo EoP Exploit (PoC) with precompiled .so
updated Aug 3, 2026
- AdityaBhatt3010/Sudo-Privilege-Escalation-Linux-CVE-2025-32463-and-CVE-2025-32462★ 11
A deep dive into two critical Sudo vulnerabilities (CVE‑2025‑32463 & CVE‑2025‑32462) that enable local privilege escalation across major Linux distributions.
updated Feb 28, 2026
References
Frequently asked questions
What is CVE-2025-32463?
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 has a CVSS base score of 9.3 out of 10 (CVSS 3.1).
Is CVE-2025-32463 actively exploited in the wild?
Yes. CVE-2025-32463 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Sep 29, 2025, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2025-32463?
59.4% - meaning FIRST.org's EPSS model estimates a 59.4% probability this vulnerability will be exploited in the wild within 30 days (99% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2025-32463?
We found 8 public GitHub repositories referencing CVE-2025-32463, though none matched a known Nuclei template or Metasploit module at last check. Review each one before relying on it - see the proof-of-concept section above.
What type of vulnerability is CVE-2025-32463?
CVE-2025-32463 is classified under CWE-829 (CWE-829 Inclusion of Functionality from Untrusted Control Sphere).
Cross-checked against
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