CWE-1386Base

Insecure Operation on Windows Junction / Mount Point

Incomplete in the CWE catalog · 17 CVEs mapped

17
CVEs mapped
6.3
Median CVSS
What it is

The product opens a file or directory, but it does not properly prevent the name from being associated with a junction or mount point to a destination that is outside of the intended control sphere.

Recent examples
9.8cvss
CVE-2026-56857

CVE-2026-56857 - CRITICAL Severity Vulnerability

On Windows, when the target of Root.Mkdir or Root.MkdirAll is a junction pointing to an empty location, the operation can create a directory at the junction target even when that target is located outside the root. This only applies to operations where the last path component is a junction (path/to/junction, but not path/junction/target).

CRITICALno explanation yet
0%
epss
—none
CVE-2025-64391

CVE-2025-64391 - UNKNOWN Severity Vulnerability

This vulnerability in Veeam Agent for Microsoft Windows allows a low-privileged local user to make the agent write files to arbitrary locations when an administrator installs it.

no explanation yet
0%
epss
6.3cvss
CVE-2026-41116

Dell Inventory Collector Client, versions prior to 13.8.0, contain an Improper Link Resolution Before File Access ('Link Following') vulnerability

Dell Inventory Collector Client, versions prior to 13.8.0, contain an Improper Link Resolution Before File Access ('Link Following') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Arbitrary File Write.

MEDIUMno explanation yet
0%
epss
The record
Technical detail
CWE ID
CWE-1386
Abstraction
Base
Structure
Simple
Status
Incomplete
References (6)