CVE-2026-45646
OData for ASP.NET and ASP.NET Core Denial of Service Vulnerability
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
OData for ASP.NET and ASP.NET Core Denial of Service Vulnerability
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
- Record
CVE-2026-45646- CVSS 3.1
- 7.5 High
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-770
- Updated
- 2026-11-02
EUVDEUVD-2026-43795
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
- Record
EUVD-2026-43795- CVSS 3.1
- 7.5 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x6c8-x7c4-fpqr
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized...
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
- Record
GHSA-x6c8-x7c4-fpqr- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
NVD
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
- Record
CVE-2026-45646- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-45646 is a high vulnerability (CVSS 7.5) in Microsoft Asp.net Core Odata, published July 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.17%, the 67th percentile. No source names a fixed version.