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High

CVE-2026-118147

Visual Studio Spoofing vulnerability

Microsoft

MSRC advisory October 30, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-118147
CWE
CWE-295
Affected products
Visual Studio Spoofing · Microsoft Visual Studio Spoofing · Microsoft

What happened

Improper certificate validation in Visual Studio allows an unauthorized attacker to perform spoofing over a network.

What it means for your business

Visual Studio Spoofing vulnerability (CVE-2026-118147) was added to Microsoft’s security update guidance. Improper certificate validation in Visual Studio allows an unauthorized attacker to perform spoofing over a network. If you need help checking exposure, call (864) 335-9223.

CVSS score

7.4 (High)

EPSS probability

0.61%

Sources

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