7.4
High
CVE-2026-118147 Visual Studio Spoofing Vulnerability
Description
Improper certificate validation in Visual Studio allows an unauthorized attacker to perform spoofing over a network.
CVSS 3.1 detail
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:CExploitable remotely over the network, without an account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- None
- Interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft Visual Studio 2017 version 15.9 15.9 | 15.9.0 → < 15.9.84 | 15.9.84 |
| Microsoft Visual Studio 2019 version 16.11 16.11 | 16.11.0 → < 16.11.62 | 16.11.62 |
| Microsoft Visual Studio 2022 version 17.14 17.14 | 17.14.0 → < 17.14.44 | 17.14.44 |
| Microsoft Visual Studio 2026 version 18.11 18.11 | 18.11.0 → < 18.11.3 | 18.11.3 |