CVE-2026-118147
High
Description
Improper certificate validation in Visual Studio allows an unauthorized attacker to perform spoofing over a network.
SeverityHigh
CVSS7.4
Exploit probability—
Product
Microsoft Visual Studio
PublishedOct 31, 2026
First seenNov 4, 2026
Weakness typeCWE-295CWE-295
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft visual_studio_2022 | No range specified | — |
| microsoft microsoft_visual_studio_2026_version_18.11 | No range specified | — |
| microsoft microsoft_visual_studio_2017_version_15.9 | No range specified | — |
| microsoft microsoft_visual_studio_2019_version_16.11 | No range specified | — |
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