CVE-2026-88092

CriticalCVSS 9.4/10Last modified Oct 16, 2026

Description

Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to perform tampering over a network.

Metrics

CVSS 3.1 9.4/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Weakness enumeration

CWE-444

Affected software

VendorProductVersions
MicrosoftASP.NET Core 10.0>= 10.0, < 10.0.13
MicrosoftASP.NET Core 11.0>= 11.0, < 11.0.0-rc.2
MicrosoftASP.NET Core 8.0>= 8.0, < 8.0.32
MicrosoftASP.NET Core 9.0>= 9.0, < 9.0.21
MicrosoftMicrosoft Visual Studio 2022 version 17.14>= 17.14.0, < 17.14.42
MicrosoftMicrosoft Visual Studio 2026 version 18.10>= 18.10.0, < 18.10.4

References

Timeline

Published
Oct 13, 2026
Last modified
Oct 16, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-880937.8Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.CVE-2026-880948.1Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Storage Library allows an authorCVE-2026-880967.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DCOM Server allows an authorized attaCVE-2026-880977.8Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges locally.CVE-2026-880987.0Untrusted pointer dereference in Windows Security Support Provider Interface allows an authorized attacker to elevate privileges locally.CVE-2026-880995.9Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.CVE-2026-88106.9On ARM platforms, a vulnerability in the architecture design of HDD Password could allow an attacker to retrieve HDD Password from UEFI variCVE-2026-881007.8Use after free in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.CVE-2026-881017.8Weak authentication in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.CVE-2026-881029.8Use after free in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.CVE-2026-881037.0Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.CVE-2026-881057.8Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
CVE-2026-88092: Critical severity, CVSS 9.4 | Vulnix