CVE-2026-118147

HIGH
Published Oct 31, 2026 Modified Oct 31, 2026 CWE-295

Description

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

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CVSS v3.1 Score

7.4
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-295 CWE-295

References

Frequently Asked Questions

What is CVE-2026-118147? +
Improper certificate validation in Visual Studio allows an unauthorized attacker to perform spoofing over a network. It has a CVSS v3.1 base score of 7.4 (HIGH).
How severe is CVE-2026-118147? +
CVE-2026-118147 has a CVSS v3.1 score of 7.4 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
How do I check if I'm vulnerable to CVE-2026-118147? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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