VDB

CVE-2026-118746

CVE-2026-118746 PUBLISHED CVSS 6.8 MEDIUM

.NET Security Feature Bypass Vulnerability

Reported by microsoft · Published November 10, 2026

Not failing securely ('failing open') in .NET allows an unauthorized attacker to bypass a security feature over a network.

Risk scores

CVSS 3.1
6.8
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C

Affected products

VendorProductVersions
Microsoft.NET 11.0 installed on Linux11.0.0-preview.1
Microsoft.NET 11.0 installed on Mac OS11.0.0-preview.1
microsoft.net_11.0_installed_on_linux11.0.0-preview.1
microsoft.net_11.0_installed_on_mac_os11.0.0-preview.1
Microsoft.NET 11.0 installed on Mac OS11.0.0-preview.1
Microsoft.NET 11.0 installed on Linux11.0.0-preview.1

Timeline

  • Nov 10, 2026 CVE Published
  • Nov 11, 2026 EPSS Score
  • Nov 11, 2026 Coalition ESS Score
  • Nov 12, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2026-118746
vulnetix vdb fixes CVE-2026-118746

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-118746/fixes/registry"

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References

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