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.

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.

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.

Affected products

Sudo-project Sudo

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (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.