Medium severity · published Oct 13, 2026
CVE-2026-96238
.NET Security Feature Bypass Vulnerability
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
Origin validation error in .NET allows an unauthorized attacker to bypass a security feature over a network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N1
.NET 10.0 runtime · Microsoft
10.0.0 before 10.0.113 · source: vendor
N1
.NET 11.0 runtime · Microsoft
11.0.0 before 11.0.100-rc.2 · source: vendor
N8
.NET 8.0 runtime · Microsoft
8.0.0 before 8.0.426 · source: vendor
N9
.NET 9.0 runtime · Microsoft
9.0.0 before 9.0.122 · source: vendor
MV
Microsoft Visual Studio 2022 version 17.14 · Microsoft
17.14.0 before 17.14.42 · source: vendor
MV
Microsoft Visual Studio 2026 version 18.10 · Microsoft
18.10.0 before 18.10.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-96238
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-96238
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96238
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