How severe is CVE-2025-26682?

CVE-2025-26682 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-2025-26682 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26682?

CVE-2025-26682 primarily affects Microsoft Asp.net Core. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-26682?

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-2025-26682 have an EU (EUVD) identifier?

Yes. CVE-2025-26682 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10197.

When was CVE-2025-26682 published?

CVE-2025-26682 was published on 2025-04-08 and last updated on 2026-06-17.

CVE-2025-26682

CVE-2025-26682 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: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10197
Weakness: CWE-770
Affected product: Microsoft Asp.net Core
Published: 2025-04-08
Last modified: 2026-06-17

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-2025-26682?: 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-2025-26682?: CVE-2025-26682 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-2025-26682 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26682?: CVE-2025-26682 primarily affects Microsoft Asp.net Core. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-26682?: 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-2025-26682 have an EU (EUVD) identifier?: Yes. CVE-2025-26682 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10197.
When was CVE-2025-26682 published?: CVE-2025-26682 was published on 2025-04-08 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26682

Affected products (2)

cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*

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