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Vulnerability record · CVE-2026-82474 · published 29 August 2026

CVE-2026-82474: Sudo through 1.9.17p2 fails to apply intercept policy checks to the execveat system call in ptrace-based inter…

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.

8.5 CVSS 4.0 High EPSS 0.13% · top 97.7% CWE-693 · CWE-693 Awaiting Analysis
8.5CVSS 4.0 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
10 Sep 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/sudo-project/sudo
https://github.com/sudo-project/sudo/blob/v1.9.17p2/src/exec_ptrace.c
https://github.com/sudo-project/sudo/commit/71fbe42dcd5a1c8f799540583a2dfb2ae6221edf
https://www.vulncheck.com/advisories/sudo-through-1.9-17p2-intercept-policy-bypass-via-execveat

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Source: NIST National Vulnerability Database (record CVE-2026-82474), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.