CVE-2019-1142

Published: Sep 11, 2019Modified: Jun 17, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

An elevation of privilege vulnerability exists when the .NET Framework common language runtime (CLR) allows file creation in arbitrary locations, aka '.NET Framework Elevation of Privilege Vulnerability'.

Affected (9)

Products: Microsoft: .net Framework

Microsoft

1 product

.net Framework

Configuration A

1 platform

Running on/with	Platform Versions
Microsoft Windows 10	All versions

Configuration C

6 vulnerable

Vulnerable Software	Affected Versions
Microsoft .net Framework	Version 4.6.1
Microsoft .net Framework	Version 4.6.2
Microsoft .net Framework	Version 4.6
Microsoft .net Framework	Version 4.7.1
Microsoft .net Framework	Version 4.7.2
Microsoft .net Framework	Version 4.7

Configuration D

8 platform

Running on/with	Platform Versions
Microsoft Windows 10	Version 1607
Microsoft Windows 10	Version 1703
Microsoft Windows 10	Version 1709
Microsoft Windows 10	Version 1803
Microsoft Windows 8.1	All versions
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2016	All versions
Microsoft Windows Server 2016	Version 1803

Configuration E

2 vulnerable · 4 platform

Vulnerable Software	Affected Versions
Microsoft .net Framework	Version 3.5
Microsoft .net Framework	Version 4.8

Running on/with	Platform Versions
Microsoft Windows 10	Version 1809
Microsoft Windows 10	Version 1903
Microsoft Windows Server 2016	Version 1903
Microsoft Windows Server 2019	All versions

Configuration F

1 vulnerable · 4 platform

Vulnerable Software	Affected Versions
Microsoft .net Framework	Version 4.5.2

Running on/with	Platform Versions
Microsoft Windows 8.1	All versions
Microsoft Windows Rt 8.1	All versions
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	Version r2

Related CWEs

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (2)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1142

Source: secure@microsoft.com

PatchVendor Advisory

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1142

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.