CVE-2026-118147

Visual Studio Spoofing Vulnerability

State: Published
Severity: 7.4 High
Published: Oct 31, 2026
Updated: Oct 31, 2026
Reserved: Oct 27, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	7.4 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-295 Improper Certificate Validation

Affected Products

Product	Versions
Microsoft Visual Studio 2017 version 15.9Microsoft	15.9.0 to before 15.9.84Affected
Microsoft Visual Studio 2019 version 16.11Microsoft	16.11.0 to before 16.11.62Affected
Microsoft Visual Studio 2022 version 17.14Microsoft	17.14.0 to before 17.14.44Affected
Microsoft Visual Studio 2026 version 18.11Microsoft	18.11.0 to before 18.11.3Affected

References

Visual Studio Spoofing Vulnerabilityvendor-advisorypatch

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