CVE-2026-96512 sudo - Broken Access Control

sudo contains a broken access control vulnerability caused by reliance on the TZ environment variable for time-based sudoers rules, letting unprivileged local users execute commands outside intended time windows, exploit requires local user privileges.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Required
EPSS
0.13% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
23 September 2026
Updated
15 October 2026
Weakness
CWE-863

Vendor fix

Update to the latest sudo version with the fix applied.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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