CVE-2026-82474

HIGH

Sudo through 1.9.17p2 fails to apply intercept policy checks to the execveat system call in ptrace-based intercept mode. Users permitted to run specific commands can execute denied programs by calling execveat directly or through fexecve, bypassing policy enforcement and logging.

CVSS v3.1 Score

7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 8/29/2026Modified: 8/29/2026

Related Intelligence (1)

HIGHVulnerability

NVD HIGH: CVE-2026-82474 — Sudo through 1.9.17p2 fails to apply intercept policy checks to the execveat sys...

Sudo through 1.9.17p2 fails to apply intercept policy checks to the execveat system call in ptrace-based intercept mode. Users permitted to run specific commands can execute denied programs by calling execveat directly or through fexecve, bypassing policy enforcement and logging.

CVE-2026-82474
NIST NVD

References (4)

https://github.com/sudo-project/sudohttps://github.com/sudo-project/sudo/blob/v1.9.17p2/src/exec_ptrace.chttps://github.com/sudo-project/sudo/commit/71fbe42dcd5a1c8f799540583a2dfb2ae6221edfhttps://www.vulncheck.com/advisories/sudo-through-1.9-17p2-intercept-policy-bypass-via-execveat