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CVE-2019-1142

19
FAUCET Score

CVE-2019-1142 is an elevation of privilege vulnerability in the .NET Framework common language runtime (CLR) that allows file creation in arbitrary locations. This affects various Microsoft Windows and .NET Framework versions, including Windows 10, Windows Server 2019, and .NET Framework 4.8. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low attack complexity, requiring low privileges, and no user interaction. Its primary impact is high integrity loss, with no confidentiality or availability impact. There is no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit or ExploitDB. Community discussion and media coverage are minimal, with only one mention and one article identified, suggesting low public attention.

Impacted Technologies

VendorProductVersion(s)CPE
3.5CPE matchmatch criteria
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
4.7.2CPE matchmatch criteria
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
4.6CPE matchmatch criteria
cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
4.6.1CPE matchmatch criteria
cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*
4.6.2CPE matchmatch criteria
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.04%
Probability of exploitation in next 30 days
EPSS Percentile
60.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0104 is in the 97th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (125)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 11650-10816
View patch
microsoftpatch availablevia msrc
Product: 11650-10855
View patch
microsoftpatch availablevia msrc
Product: 11650-10481
View patch
microsoftpatch availablevia msrc
Product: 11650-10482
View patch
microsoftpatch availablevia msrc
Product: 11650-10483
View patch
microsoftpatch availablevia msrc
Product: 2472-10481
View patch
microsoftpatch availablevia msrc
Product: 2472-10482
View patch
microsoftpatch availablevia msrc
Product: 11529-10481
View patch
microsoftpatch availablevia msrc
Product: 11529-10482
View patch
microsoftpatch availablevia msrc
Product: 11529-10483
View patch
microsoftpatch availablevia msrc
Product: 11529-10543
View patch
microsoftpatch availablevia msrc
Product: 11529-10484
microsoftpatch availablevia msrc
Product: 11650-10484
microsoftpatch availablevia msrc
Product: 10636-10484
microsoftpatch availablevia msrc
Product: 11529-10378
View patch
microsoftpatch availablevia msrc
Product: 11529-10379
View patch
microsoftpatch availablevia msrc
Product: 11650-10951
View patch
microsoftpatch availablevia msrc
Product: 11650-10952
View patch
microsoftpatch availablevia msrc
Product: 11650-11497
View patch
microsoftpatch availablevia msrc
Product: 11650-11498
View patch
microsoftpatch availablevia msrc
Product: 11650-11499
View patch
microsoftpatch availablevia msrc
Product: 2472-11497
View patch
microsoftpatch availablevia msrc
Product: 2472-11498
View patch
microsoftpatch availablevia msrc
Product: 2472-11499
View patch
microsoftpatch availablevia msrc
Product: 11650-11453
View patch
microsoftpatch availablevia msrc
Product: 11650-11454
View patch
microsoftpatch availablevia msrc
Product: 11650-10852
View patch
microsoftpatch availablevia msrc
Product: 11650-10853
View patch
microsoftpatch availablevia msrc
Product: 11650-10543
View patch
microsoftpatch availablevia msrc
Product: 11650-10378
View patch
microsoftpatch availablevia msrc
Product: 11650-10379
View patch
microsoftpatch availablevia msrc
Product: 2472-10951
View patch
microsoftpatch availablevia msrc
Product: 2472-10952
View patch
microsoftpatch availablevia msrc
Product: 2472-11453
View patch
microsoftpatch availablevia msrc
Product: 2472-11454
View patch
microsoftpatch availablevia msrc
Product: 2472-10729
View patch
microsoftpatch availablevia msrc
Product: 2472-10735
View patch
microsoftpatch availablevia msrc
Product: 2472-10852
View patch
microsoftpatch availablevia msrc
Product: 2472-10853
View patch
microsoftpatch availablevia msrc
Product: 2472-10816
View patch
microsoftpatch availablevia msrc
Product: 2472-10855
View patch
microsoftpatch availablevia msrc
Product: 2472-10483
View patch
microsoftpatch availablevia msrc
Product: 2472-10543
View patch
microsoftpatch availablevia msrc
Product: 2472-10378
View patch
microsoftpatch availablevia msrc
Product: 2472-10379
View patch
microsoftpatch availablevia msrc
Product: 10636-10481
View patch
microsoftpatch availablevia msrc
Product: 10636-10482
View patch
microsoftpatch availablevia msrc
Product: 10636-10483
View patch
microsoftpatch availablevia msrc
Product: 10636-10543
View patch
microsoftpatch availablevia msrc
Product: 10636-10378
View patch
microsoftpatch availablevia msrc
Product: 10636-10379
View patch
microsoftpatch availablevia msrc
Product: 11676-11568
View patch
microsoftpatch availablevia msrc
Product: 11676-11569
View patch
microsoftpatch availablevia msrc
Product: 11676-11571
View patch
microsoftpatch availablevia msrc
Product: 11676-11572
View patch
microsoftpatch availablevia msrc
Product: 11677-11568
View patch
microsoftpatch availablevia msrc
Product: 11677-11569
View patch
microsoftpatch availablevia msrc
Product: 11677-11571
View patch
microsoftpatch availablevia msrc
Product: 11677-11572
View patch
microsoftpatch availablevia msrc
Product: 11676-11644
View patch
microsoftpatch availablevia msrc
Product: 11676-11645
View patch
microsoftpatch availablevia msrc
Product: 11676-11647
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows RT 8.1
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows RT 8.1
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows RT 8.1
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server, version 1803 (Server Core Installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2016
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2012 R2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2012
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server 2016
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server 2016 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server 2012 R2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server 2012
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows 8.1 for x64-based systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows Server 2012
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)
View patch

Vendor Advisories (1)

microsoft2019-Sep/CVE-2019-1142Important

.NET Framework Elevation of Privilege Vulnerability

Sep 10, 2019

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2019-1142
PatchVendor Advisory