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CVE-2026-701889.1CriticalCWE-444

CVE-2026-70188: ASP.NET Core Security Feature Bypass Vulnerability

Microsoft · ASP.NET Core 10.0

Vendor fix available · Affected: Microsoft ASP.NET Core 10.0 · Exploitation: possible (1 to 10%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

1.0%probability of exploitation in the next 30 days
61st percentile
050100

Higher than 61% of scored CVEs

9.1CriticalCVSS 3.1
LowCrit.

DescriptionCVE.org

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

Affected products6

From the CVE record. A product or version that is not listed is unknown, not unaffected.

  • Microsoft · ASP.NET Core 10.0from 10.0 before 10.0.13
  • Microsoft · ASP.NET Core 11.0from 11.0 before 11.0.0-rc.2
  • Microsoft · ASP.NET Core 8.0from 8.0 before 8.0.32
  • Microsoft · ASP.NET Core 9.0from 9.0 before 9.0.21
  • Microsoft · Microsoft Visual Studio 2022 version 17.14from 17.14.0 before 17.14.42
  • Microsoft · Microsoft Visual Studio 2026 version 18.10from 18.10.0 before 18.10.4

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas
Exploitation
Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV
Not listed
Public check
No public nuclei template
Vendor
Microsoft
Published
October 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-70188 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References