Out-of-Bounds Write Flaw in ASP.NET Core Affects Microsoft Products
CVE-2026-96233

7.5HIGH

What is CVE-2026-96233?

An out-of-bounds write vulnerability in ASP.NET Core can be exploited by attackers to perform denial-of-service attacks over a network. This security flaw can allow unauthorized users to manipulate memory allocations, potentially leading to application crashes or unavailability. It is crucial for organizations using affected versions of ASP.NET Core to apply security patches and mitigate the risk of exploitation.

Affected Version(s)

.NET 10.0 runtime 10.0.0 < 10.0.13

.NET 11.0 runtime 11.0.0 < 11.0.0-rc.2

.NET 8.0 runtime 8.0.0 < 8.0.32

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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