CVE-2026-45646

FAUCET Score

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

First published: Jul 14, 2026Last modified: Jul 14, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 9.5.0CPE matchmatch criteria	cpe:2.3:a:microsoft:asp.net_core_odata::::::::
		< 7.8.0CPE matchmatch criteria	cpe:2.3:a:microsoft:odata_web_api::::::::

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

3.9

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.78%

Probability of exploitation in next 30 days

EPSS Percentile

52.2%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0078 is in the 28th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

microsoftpatch availablevia msrc

Product: Microsoft.AspNetCore.ODataFixed in: 9.5.0[SX1]

microsoftpatch availablevia msrc

Product: Microsoft.AspNet.ODataFixed in: 7.8.0

microsoftvendor investigatingvia nvd_reference

View patch

Vendor Advisories (1)

microsoft2026-Jul/CVE-2026-45646Important

OData for ASP.NET and ASP.NET Core Denial of Service Vulnerability

Jul 14, 2026

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2026-45646

Vendor Advisory