CVE-2026-109475

.NET Denial of Service Vulnerability

Published Nov 10, 2026 CVSS 3.1 · 7.5 High EPSS 1.3% KEV · Not listed
Description
Stack-based buffer overflow in .NET allows an unauthorized attacker to deny service over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-3g4v-f5gv-c7xf Microsoft Security Advisory CVE-2026-109475 - .NET Denial of Service Vulnerability
Ubuntu USN Ubuntu USN USN-9042-1 .NET vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Microsoft .net 10.0 Installed On Mac Os
Microsoft .net 11.0 Installed On Mac Os
Microsoft .net 8.0 Installed On Mac Os
Microsoft .net 9.0 Installed On Mac Os
CPEs cpe:2.3:a:microsoft:.net_10.0_installed_on_mac_os:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_11.0_installed_on_mac_os:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_8.0_installed_on_mac_os:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_9.0_installed_on_mac_os:*:*:*:*:*:*:*:*
Vendors & Products Microsoft .net 10.0 Installed On Mac Os
Microsoft .net 11.0 Installed On Mac Os
Microsoft .net 8.0 Installed On Mac Os
Microsoft .net 9.0 Installed On Mac Os
Type Values Removed Values Added
Description Stack-based buffer overflow in .NET allows an unauthorized attacker to deny service over a network.
Title .NET Denial of Service Vulnerability
First Time appeared Microsoft
Microsoft .net 10.0 Installed On Linux
Microsoft .net 11.0 Installed On Linux
Microsoft .net 8.0 Installed On Linux
Microsoft .net 9.0 Installed On Linux
Weaknesses CWE-121
CPEs cpe:2.3:a:microsoft:.net_10.0_installed_on_linux:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_11.0_installed_on_linux:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_8.0_installed_on_linux:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_9.0_installed_on_linux:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft .net 10.0 Installed On Linux
Microsoft .net 11.0 Installed On Linux
Microsoft .net 8.0 Installed On Linux
Microsoft .net 9.0 Installed On Linux
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C'}