High severity · published Apr 9, 2019
CVE-2019-0809
A remote code execution vulnerability exists when the Visual Studio C++ Redistributable Installer improperly validates input before loading dynamic link library (DLL) files, aka…
7.8
CVSS
10.6%
EPSS
No
On KEV
Description
A remote code execution vulnerability exists when the Visual Studio C++ Redistributable Installer improperly validates input before loading dynamic link library (DLL) files, aka 'Visual Studio Remote Code Execution Vulnerability'.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)10.6% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VS
Visual Studio 2017 · Microsoft
15.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-0809
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-0809
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0809
More from Visual Studio 2017
7.8
CVE-2020-1147
Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution Vulnerability
9.8
CVE-2026-47304
.NET Security Feature Bypass Vulnerability
8.8
CVE-2025-49739
Improper link resolution before file access ('link following') in Visual Studio allows an unauthorized attacker to elevate privileges over a network
8.8
CVE-2025-21178
Visual Studio Remote Code Execution Vulnerability
8.8
CVE-2025-21176
.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability