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High 7.5Published Sep 8, 2026
CVE-2026-57099ASP.NET Core Denial of Service Vulnerability
Updated under an hour ago ()
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It affects Microsoft AspNetCore.OData and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
- CVSS
- 7.5 HIGH (v3.1, CNA)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
- Weakness (CWE)
- CWE-770
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft AspNetCore.OData microsoft:aspnetcore.odata (from the name) | 9.0.0 builds before 7.8.1 | CNA record |
microsoft asp.net_core_odata microsoft:asp.net_core_odata | before 7.8.1 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57099vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.