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-q68jCGA-j2gw-vvm8-99hqCGA-p7gf-gx86-2mfx
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.
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)EPSS score
0.80%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-10-2026PublishedVulnerability first disclosed.
- 16-10-2026Last 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 versionMedium 5.9Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CSourcesAll 3 agree
- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · NugetEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
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 score0.80%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- asp.net core 10.0≥ 10.0, < 10.0.13
- asp.net core 8.0≥ 8.0, < 8.0.32
- asp.net core 9.0≥ 9.0, < 9.0.21
- microsoft visual studio 2022 version 17.14≥ 17.14.0, < 17.14.42
- microsoft visual studio 2026 version 18.10≥ 18.10.0, < 18.10.4
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- github.com/dotnet/aspnetcorePACKAGE