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CVE-2025-26682

ASP.NET Core and Visual Studio Denial of Service Vulnerability

HIGH
7.5
CVSS Score
Published: April 8, 2025 at 05:24 PM UTC
Updated: August 10, 2026 at 03:39 PM UTC
2 products affected across 1 vendorVisual Studio 2022ASP.NET Core

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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

ASP.NET Core· Microsoft
95%
8.0 ≤ v < 8.0.158.0.0 ≤ v < 8.0.159.0 ≤ v < 9.0.49.0.0 ≤ v < 9.0.48.09.0
Affected range stops below 8.0.15, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.0.4, so it looks safe — our inference, not a vendor statement
Visual Studio 2022· Microsoft
95%
17.10.0 ≤ v < 17.10.1317.12.0 ≤ v < 17.12.717.13.0 ≤ v < 17.13.617.8.0 ≤ v < 17.8.2017.10.017.12.017.13.017.8.0
Affected range stops below 17.10.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 17.12.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 17.13.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 17.8.20, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26682

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHmicrosoft
Vector?

Quick Info

StatusANALYZED
CWE
CWE-770

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