CVE-2026-57099

ASP.NET Core Denial of Service Vulnerability

Published Sep 8, 2026 CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed
Description
Allocation of resources without limits or throttling in ASP.NET Core 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

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft asp.net Core Odata
CPEs cpe:2.3:a:microsoft:asp.net_core_odata:*:*:*:*:*:*:*:*
Vendors & Products Microsoft asp.net Core Odata
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 .asp.netcore
Vendors & Products Microsoft .asp.netcore
Type Values Removed Values Added
Description Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Title ASP.NET Core Denial of Service Vulnerability
First Time appeared Microsoft
Microsoft .asp.netcore
Weaknesses CWE-770
CPEs cpe:2.3:a:microsoft:.Asp.NetCore:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft .asp.netcore
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 9:38 PM
Reserved
Jun 23, 2026, 6:29 PM
Status
Analyzed
Published
Sep 8, 2026, 6:17 PM
Modified
Oct 5, 2026, 5:28 PM
Severity
Important
Public date
Sep 8, 2026, 5:19 PM