5.9

CVE-2026-70196: microsoft asp.net core 10.0 Inefficient Algorithmic Complexity

CVSS: 5.9v3.1MediumAwaiting analysis
AliasesGHSA-57xr-hfxx-jw5xCGA-2xgj-4hv7-229wCGA-c32r-568g-q68j
Published 13-10-2026Last modified 16-10-2026

Vulnerability summary

CVE-2026-70196 is a medium (CVSS 5.9) Inefficient Algorithmic Complexity vulnerability in microsoft asp.net core 10.0. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 55.9% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.80%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-10-2026
    PublishedVulnerability first disclosed.
  2. 16-10-2026
    Last modifiedVulnerability information updated.

Description

Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.80%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

14-10-202619-10-2026
EPSS score
0.80%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

NuGet12 products
  • Microsoft.AspNetCore.App.Runtime.linux-arm≥ 8.0.0, < 8.0.32 | ≥ 10.0.0, < 10.0.13 | ≥ 9.0.0, < 9.0.21
  • Microsoft.AspNetCore.App.Runtime.linux-arm64≥ 8.0.0, < 8.0.32 | ≥ 10.0.0, < 10.0.13 | ≥ 9.0.0, < 9.0.21
  • Microsoft.AspNetCore.App.Runtime.linux-musl-arm≥ 8.0.0, < 8.0.32 | ≥ 10.0.0, < 10.0.13 | ≥ 9.0.0, < 9.0.21
  • Microsoft.AspNetCore.App.Runtime.linux-musl-arm64≥ 8.0.0, < 8.0.32 | ≥ 10.0.0, < 10.0.13 | ≥ 9.0.0, < 9.0.21
  • Microsoft.AspNetCore.App.Runtime.linux-musl-x64≥ 8.0.0, < 8.0.32 | ≥ 10.0.0, < 10.0.13 | ≥ 9.0.0, < 9.0.21
Microsoft5 products
Chainguard2 products
  • dotnet-bootstrap-8All versions (No fix recorded)
  • dotnet-bootstrap-9All versions (No fix recorded)
Wolfi2 products
  • dotnet-bootstrap-8All versions (No fix recorded)
  • dotnet-bootstrap-9All versions (No fix recorded)

4 vendors · 21 products

References

6 links