Disclosure summary
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.
Source-reported weakness categories
CWE-271
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2026-Apr
Open original source · Updated Sep 24, 2026
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.
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 7.4
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | cbl2 sudo 1.9.17-1 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 sudo 1.9.17-1 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 sudo 1.9.17-1 on CBL-Mariner 2.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 1.9.17-2 · product IDs 20260-17086, 19595-17084
- Vendor guidance · product IDs 20260-17086, 19595-17084
- Release Notes · build 1.9.17-2 · product IDs 20260-21692
- Vendor guidance · product IDs 20260-21692
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-04-04T21:02:45-04:00
MODIFIED 2026-09-24T22:26:18-04:00
INGESTED 2026-10-08T12:45:03-04:00