How severe is CVE-2026-26130?

CVE-2026-26130 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-26130 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26130?

CVE-2026-26130 affects Microsoft Asp.net Core. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26130?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-26130 have an EU (EUVD) identifier?

Yes. CVE-2026-26130 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10693.

When was CVE-2026-26130 published?

CVE-2026-26130 was published on 2026-03-10 and last updated on 2026-06-30.

CVE-2026-26130

CVE-2026-26130 is a high-severity vulnerability in Microsoft Asp.net Core with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10693
Weakness: CWE-770
Affected product: Microsoft Asp.net Core
Published: 2026-03-10
Last modified: 2026-06-30

Description

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

Frequently asked questions

What is CVE-2026-26130?: Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
How severe is CVE-2026-26130?: CVE-2026-26130 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-26130 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26130?: CVE-2026-26130 affects Microsoft Asp.net Core. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26130?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-26130 have an EU (EUVD) identifier?: Yes. CVE-2026-26130 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10693.
When was CVE-2026-26130 published?: CVE-2026-26130 was published on 2026-03-10 and last updated on 2026-06-30.

References

Affected products (1)

cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*

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