What is CVE-2026-96238?

CVE-2026-96238 is a medium-severity vulnerability in Microsoft Visual Studio 2022 Version 17.14, classified under Origin Validation Error. CVSS score: 6.5/10. Published 2026-10-13.

How severe is CVE-2026-96238?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Microsoft Visual Studio 2022 Version 17.14

CVE-2026-96238

Origin validation error in .NET allows an unauthorized attacker to bypass a security feature over a network.

Published 2026-10-13 · last modified 2026-10-13.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Microsoft Visual Studio 2022 Version 17.14
Microsoft Visual Studio 2026 Version 18.10
Microsoft .Net 10.0
Microsoft .Net 11.0
Microsoft .Net 8.0
Microsoft .Net 9.0

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

.NET Security Feature Bypass Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-96238?: CVE-2026-96238 is a medium-severity vulnerability in Microsoft Visual Studio 2022 Version 17.14, classified under Origin Validation Error. CVSS score: 6.5/10. Published 2026-10-13.
How severe is CVE-2026-96238?: Medium severity. CVSS v3 base score is 6.5 out of 10.