---
id: CVE-2026-82474
title: >-
  Sudo through 1.9.17p2 fails to apply intercept policy checks to the execveat
  system call in ptrace-based intercept mode
summary: >-
  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…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-693
  - CWE-1220
vendor: Red Hat
product: Red Hat Enterprise Linux 10
affected:
  - enterprise_linux 10
  - enterprise_linux 6
  - enterprise_linux 7
  - enterprise_linux 8
  - enterprise_linux 9
  - hardened_images
patched:
  - hardened_images
published: '2026-08-29'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T19:54:25.810'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-82474'
references:
  - url: 'https://github.com/sudo-project/sudo'
    label: disclosure@vulncheck.com
  - url: 'https://github.com/sudo-project/sudo/blob/v1.9.17p2/src/exec_ptrace.c'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/sudo-project/sudo/commit/71fbe42dcd5a1c8f799540583a2dfb2ae6221edf
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/sudo-through-1.9-17p2-intercept-policy-bypass-via-execveat
    label: disclosure@vulncheck.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-82474.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-82474'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2525889'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-82474'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-82474'
  - url: 'https://access.redhat.com/errata/RHSA-2026:65569'
  - url: 'https://access.redhat.com/errata/RHSA-2026:68692'
  - url: 'https://access.redhat.com/errata/RHSA-2026:69123'
  - url: 'https://access.redhat.com/errata/RHSA-2026:71354'
  - url: 'https://access.redhat.com/errata/RHSA-2026:71603'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
epss: 0.00131
epssPercentile: 0.02222
ingestedAt: '2026-08-30T12:52:24.049Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 9 · updated 2026-09-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-82474.json)
- **RHSA-2026:65569** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-09-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:65569)
- **RHSA-2026:68692** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux BaseOS (v. 10) · released 2026-09-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:68692)
- **RHSA-2026:69123** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9) · released 2026-09-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:69123)
- **RHSA-2026:71354** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux BaseOS EUS (v. 10.0) · released 2026-09-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:71354)
- **RHSA-2026:71603** · Red Hat · fixed in: Red Hat Update Infrastructure 5 · released 2026-09-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:71603)