CVE-2026-88092

Published Oct 13, 2026

Last updated 5 days ago

Overview

Description
Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to perform tampering over a network.
Source
secure@microsoft.com
NVD status
Analyzed
Products
asp.net_core, visual_studio_2022, visual_studio_2026

Risk scores

CVSS 3.1

Type
Secondary
Base score
9.4
Impact score
5.5
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Severity
CRITICAL

Weaknesses

secure@microsoft.com
CWE-444

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.