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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-26130

32
FAUCET Score

CVE-2026-26130 is a high-severity Denial of Service (DoS) vulnerability affecting ASP.NET Core, stemming from the allocation of resources without proper limits or throttling (CWE-770). An unauthorized attacker can exploit this over a network with low complexity, leading to a complete denial of service, reflected in its CVSSv3.1 score of 7.5. While there is no evidence of active exploitation (KEV) and no public exploit code available, the vulnerability is on the Hot List and has garnered some community discussion and media coverage as part of the March 2026 Patch Tuesday.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.0.0, < 8.0.25CPE matchmatch criteria
cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*
>= 9.0.0, < 9.0.14CPE matchmatch criteria
cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*
>= 10.0.0, < 10.0.4CPE matchmatch criteria
cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*

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
2.82%
Probability of exploitation in next 30 days
EPSS Percentile
85.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0282 is in the 73rd percentile among its peer group of 51,551 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 (45)

apollographqlpatch availablevia llm_extracted
View patch
microsoftpatch availablevia msrc
Product: ASP.NET Core 10.0Fixed in: 10.0.4
View patch
microsoftpatch availablevia msrc
Product: ASP.NET Core 9.0Fixed in: 9.0.14
View patch
microsoftpatch availablevia msrc
Product: ASP.NET Core 8.0Fixed in: 8.0.25
View patch
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-arm64Fixed in: 9.0.14
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-arm64Fixed in: 10.0.4
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-armFixed in: 8.0.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-armFixed in: 9.0.14
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-armFixed in: 10.0.4
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-arm64Fixed in: 8.0.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-arm64Fixed in: 9.0.14
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-arm64Fixed in: 10.0.4
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-x64Fixed in: 8.0.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-x64Fixed in: 9.0.14
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-musl-x64Fixed in: 10.0.4
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-x64Fixed in: 8.0.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-x64Fixed in: 9.0.14
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-x64Fixed in: 10.0.4
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.osx-arm64Fixed in: 8.0.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.osx-arm64Fixed in: 9.0.14
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.osx-arm64Fixed in: 10.0.4
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.osx-x64Fixed in: 8.0.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.osx-x64Fixed in: 9.0.14
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.osx-x64Fixed in: 10.0.4
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-armFixed in: 8.0.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-armFixed in: 9.0.14
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-armFixed in: 10.0.4
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-arm64Fixed in: 8.0.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-arm64Fixed in: 9.0.14
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-arm64Fixed in: 10.0.4
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-x64Fixed in: 8.0.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-x64Fixed in: 9.0.14
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-x64Fixed in: 10.0.4
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-x86Fixed in: 8.0.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-armFixed in: 8.0.25
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-x86Fixed in: 10.0.4
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.win-x86Fixed in: 9.0.14
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-armFixed in: 9.0.14
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-armFixed in: 10.0.4
nugetpatch availablevia ghsa
Product: Microsoft.AspNetCore.App.Runtime.linux-arm64Fixed in: 8.0.25
azurevendor investigatingvia llm_extracted
bitdefendervendor investigatingvia llm_extracted
View patch
langfusevendor investigatingvia llm_extracted
View patch
microsoftvendor investigatingvia nvd_reference
View patch
nxpvendor investigatingvia llm_extracted
View patch

Vendor Advisories (7)

nugetGHSA-4vgm-c2wm-63mwhigh

.NET Denial of Service Vulnerability

Mar 11, 2026
microsoft2026-Mar/CVE-2026-26130Important

ASP.NET Core Denial of Service Vulnerability

Mar 10, 2026
apollographqlllm-apollographql-52f6090210671d61

Microsoft Security Advisory CVE-2026-26130 – .NET Denial of Service Vulnerability

Mar 10, 2026
azurellm-azure-30e5c19c1e7fdddb

Microsoft Security Advisory .NET Denial of Service Vulnerability

Mar 10, 2026
langfusellm-langfuse-44e983601ed16629

.NET Denial of Service Vulnerability

Mar 10, 2026
bitdefenderllm-bitdefender-a9e5950b94f74f6f

Microsoft Security Advisory CVE-2026-26130 – .NET Denial of Service Vulnerability

Mar 10, 2026
nxpllm-nxp-efb70146ac04612d

Microsoft Security Advisory CVE-2026-26130 – .NET Denial of Service Vulnerability

Mar 10, 2026

References

access.redhat.com / errata/RHSA-2026:10082
access.redhat.com / errata/RHSA-2026:10083
access.redhat.com / errata/RHSA-2026:10084
access.redhat.com / errata/RHSA-2026:10085
access.redhat.com / errata/RHSA-2026:10091
access.redhat.com / errata/RHSA-2026:4443
access.redhat.com / errata/RHSA-2026:4445
access.redhat.com / errata/RHSA-2026:4450
access.redhat.com / errata/RHSA-2026:4451
access.redhat.com / errata/RHSA-2026:4453
access.redhat.com / errata/RHSA-2026:4454
access.redhat.com / errata/RHSA-2026:4455
access.redhat.com / errata/RHSA-2026:4456
access.redhat.com / errata/RHSA-2026:4458
access.redhat.com / security/cve/CVE-2026-26130
bugzilla.redhat.com / show_bug.cgi
security.access.redhat.com / data/csaf/v2/vex/2026/cve-2026-26130.json
msrc.microsoft.com / update-guide/vulnerability/CVE-2026-26130
Vendor Advisory