Privilege Escalation Vulnerability in CIFS Utils by Red Hat
CVE-2026-104715

7.8HIGH

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
16 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-104715?

A flaw exists in the cifs-utils, enabling a local user to perform privilege escalation. This vulnerability occurs when a privileged service mounts a Common Internet File System (CIFS) share using a user-controlled credentials file. The lack of proper input sanitization allows unauthorized mount options to be injected, potentially letting attackers bypass permission checks and execute commands with administrative (root) privileges.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-104715
Created by M3aCulpa

References

https://access.redhat.com/security/cve/CVE-2026-104715
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2545023
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.