---
title: "cifs-utils - Privilege Escalation"
description: "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."
url: https://panop.io/threat-heartbeat/CVE-2026-104715/
---

# 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-104715)

## 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](https://cwe.mitre.org/data/definitions/88.html)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-104715](https://nvd.nist.gov/vuln/detail/CVE-2026-104715)
- [https://bugzilla.redhat.com/show\_bug.cgi?id=2545023](https://bugzilla.redhat.com/show_bug.cgi?id=2545023)
- [https://access.redhat.com/security/cve/CVE-2026-104715](https://access.redhat.com/security/cve/CVE-2026-104715)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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