CVE-2026-104715

A flaw was found in cifs-utils.

Published Oct 16, 2026 · corrected/updated Oct 16, 2026 · evidence confidence high

A flaw was found in cifs-utils. This flaw allows an unprivileged local user to achieve privilege escalation. When a privileged service mounts a Common Internet File System (CIFS) share using a user-controlled credentials file, input values are not properly sanitized before being assembled into mount options. A local attacker can exploit this vulnerability to inject unauthorized mount options, allowing them to bypass permission checks and execute files with administrative (root) privileges.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2026-104715 is a high public vulnerability record for this product. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether this product is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: cifs-utils (2:7.0-2, 2:7.0-2.1, 2:7.1-1); cifs-utils (0 → 2:7.4-1+deb13u1); cifs-utils (2:7.4-1, 2:7.8-1, 2:7.9-1). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 7.8, EPSS 0.1%. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-88. Sources contributing to this record: cve_org, debian, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

Exploitation evidence
Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Technology hubs

Debian

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

Oct 16, 2026 · NIST NVD
Detected
A flaw was found in cifs-utils. This flaw allows an unprivileged local user to achieve privilege escalation. When a privileged service mounts a Common Internet File System (CIFS) share using a user-controlled credentials file, input values are not properly sanitized before being assembled into mount options. A local attacker can exploit this vulnerability to inject unauthorized mount options, allo
Oct 16, 2026 · OSV.dev
Fix available
cifs-utils fixed in 2:7.4-1+deb13u1
Oct 16, 2026 · OSV.dev
Fix available
cifs-utils fixed in 2:7.4-1+deb13u1
Oct 16, 2026 · OSV.dev
Updated
A flaw was found in cifs-utils. This flaw allows an unprivileged local user to achieve privilege escalation. When a privileged service mounts a Common Internet File System (CIFS) share using a user-controlled credentials file, input values are not properly sanitized before being assembled into mount options. A local attacker can exploit this vulnerability to inject unauthorized mount options, allo

Affected

Debian:12 cifs-utils2:7.0-2, 2:7.0-2.1, 2:7.1-1
Debian:13 cifs-utils0 → 2:7.4-1+deb13u1
Debian:14 cifs-utils2:7.4-1, 2:7.8-1, 2:7.9-1

Sources

CVE.orgVulnerability recordCVE-2026-104715
Official CVE identifier
cve.org
Debian Security AdvisoriesVendor advisoryCVE-2026-104715
[SECURITY] [DSA 6567-1] cifs-utils security update
lists.debian.org
FIRST EPSSExploitation probabilityCVE-2026-104715
30-day exploitation probability 0.1%
first.org
NIST NVDVulnerability recordCVE-2026-104715
A flaw was found in cifs-utils. This flaw allows an unprivileged local user to achieve privilege escalation. When a privileged service mounts a Common Internet File System (CIFS) share using a user-controlled credentials file, input values are not properly sanitized before being
nvd.nist.gov
OSV.devPackage advisoryDEBIAN-CVE-2026-104715
osv.dev