CVE-2026-104715 cifs-utils - Privilege Escalation

cifs-utils contains a privilege escalation caused by improper sanitization of user-controlled credentials file during CIFS share mount, letting unprivileged local users execute files with root privileges, exploit requires local access.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
16 October 2026
Updated
16 October 2026
Weakness
CWE-88

Vendor fix

Update to the latest version of cifs-utils with proper input sanitization.

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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