Vulnerability in Sudo-Project Sudo
CVE-2026-82474
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (2.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/sudo-project/sudo/commit/71fbe42dcd5a1c8f799540583a2dfb2ae6221edf (patch)
- github.com/sudo-project/sudo/blob/v1.9.17p2/src/exec_ptrace.c (technical-description)
- github.com/sudo-project/sudo (product)
- www.vulncheck.com/advisories/sudo-through-1.9-17p2-intercept-policy-bypass-via-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-82474?
- CVE-2026-82474 is a high-severity vulnerability in Sudo-Project Sudo, classified under Protection Mechanism Failure. CVSS score: 7.8/10. Published 2026-08-29.
- How severe is CVE-2026-82474?
- High severity. CVSS v3 base score is 7.8 out of 10.