CVE-2026-35535

HIGH EPSS 5.1%
Published Apr 3, 20262mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Apr 3, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
5.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-271

Affected Products 6

VendorProductVersionRange
sudo_projectsudo* <1.9.17
sudo_projectsudo1.9.17any
sudo_projectsudo1.9.17any
sudo_projectsudo1.9.17any
siemenssinec_os* <4.0
siemensruggedcom_rst2428p*any

References 6

  • bugs.debian.org https://bugs.debian.org/1130593
    Broken Link
  • bugs.launchpad.net https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/2143042
    Issue Tracking
  • cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-253495.html
    Third Party Advisory
  • github.com https://github.com/sudo-project/sudo/commit/3e474c2f201484be83d994ae10a4e20e8c81bb69
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2026/06/msg00003.html
  • qualys.com https://www.qualys.com/2026/03/10/crack-armor.txt
    Third Party Advisory

Remediation

  • github.com https://github.com/sudo-project/sudo/commit/3e474c2f201484be83d994ae10a4e20e8c81bb69
    Patch