# CVE-2026-35535

## Summary

- **CVE ID:** CVE-2026-35535
- **Severity:** HIGH
- **CVSS Score:** 7.4 (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-271
- **Published:** Apr 3, 2026
- **Last Modified:** Sep 1, 2026

## Description

In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the mailer, is not a fatal error and can lead to privilege escalation.

## Affected Products

- Sudo project — Sudo (0)

## References

- [CNA](https://github.com/sudo-project/sudo/commit/3e474c2f201484be83d994ae10a4e20e8c81bb69)
- [CNA](https://www.qualys.com/2026/03/10/crack-armor.txt)
- [CNA](https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/2143042)
- [CNA](https://bugs.debian.org/1130593)
- [siemens-SADP](https://cert-portal.siemens.com/productcert/html/ssa-253495.html)
- [CVE](https://lists.debian.org/debian-lts-announce/2026/06/msg00003.html)
- [redhat-SADP](https://access.redhat.com/security/cve/CVE-2026-35535)
- [redhat-SADP](https://bugzilla.redhat.com/show_bug.cgi?id=2454714)
- [redhat-SADP](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35535.json)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:13896)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:13895)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:21695)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:21690)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:23233)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:20087)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:21656)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:20040)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:13888)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:10758)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:19067)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:13731)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:13891)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:14437)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:13889)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:12310)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:19220)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:11521)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:14228)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:13892)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:30088)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:21275)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:28887)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:34098)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:58981)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.17%
- **EPSS Percentile:** 6.9

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._