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High severity · published Aug 29, 2026
CVE-2026-82474
Sudo through 1.9.17p2 Intercept Policy Bypass via execveat
7.8
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
sudo · sudo-project
through 1.9.17p2 · source: vendor
Affected product
SU
sudo
sudo-project
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82474
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82474
github.com
https://github.com/sudo-project/sudo
github.com
https://github.com/sudo-project/sudo/blob/v1.9.17p2/src/exec_ptrace.c
github.com
https://github.com/sudo-project/sudo/commit/71fbe42dcd5a1c8f799540583a2dfb2ae6221edf
www.vulncheck.com
https://www.vulncheck.com/advisories/sudo-through-1.9-17p2-intercept-policy-bypass-via-execveat
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