.NET
CVE-2026-70161 — .NET Elevation of Privilege Vulnerability
Executive Summary
Improper limitation of a pathname to a restricted directory ('path traversal') in .NET allows an authorized attacker to elevate privileges locally.
Overview
7.3
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.4
EPSS Score
No EPSS score available for this CVE.
View on FIRST.orgAffected Products
5 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| .NET 10.0 installed on Windows | 5130036 (Security Update) |
Important | Elevation of Privilege | Unknown |
| .NET 11.0 installed on Windows | Release Notes (Security Update) |
Important | Elevation of Privilege | Unknown |
| .NET 9.0 installed on Windows | Release Notes (Security Update) |
Important | Elevation of Privilege | Yes |
| Microsoft Visual Studio 2022 version 17.14 | Release Notes (Security Update) |
Important | Elevation of Privilege | Yes |
| Microsoft Visual Studio 2026 version 18.10 | Release Notes (Security Update) |
Important | Elevation of Privilege | Yes |
Patches
2 patches
| Article | Type | Restart |
|---|---|---|
5130036 |
Security Update | Unknown |
Release Notes |
Security Update | Unknown |
Exploits & PoC
No public exploit or PoC has been linked for this CVE yet. When available, references are sourced from public repositories and may be unverified or non-functional — review carefully before use.
Detection Rules
No public Sigma or Nuclei detection rule has been mapped to this CVE yet. Coverage is concentrated on exploited / high-profile vulnerabilities; check SigmaHQ for updates.
References
On This Page