CVE-2026-57108: microsoft .net Type Confusion
CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-57108CGA-9v6q-4p4v-52gvCGA-gj38-p5wx-53p4CGA-gm44-2vgv-6v57CGA-w9wp-3hwp-pjq6GHSA-rp2p-6cmp-jxj9BIT-dotnet-2026-57108BIT-dotnet-sdk-2026-57108
Published 14-07-2026Last modified 08-10-2026
Vulnerability summary
CVE-2026-57108 is a high (CVSS 7.5) Type Confusion vulnerability in microsoft .net. EPSS estimates a 1.17% chance of exploitation in the next 30 days, higher than 67% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
1.17%
0%100%
Low · +0.07 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 17 · Related 2Timeline
- 14-07-2026PublishedVulnerability first disclosed.
- 08-10-2026Last modifiedVulnerability information updated.
Description
Access of resource using incompatible type ('type confusion') in .NET Core allows an unauthorized attacker to deny service over a network.
CVSS metrics
6 scores · 6 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CSourcesAll 6 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · WolfiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · NugetEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.17%
Chance of exploitation in the next 30 days
Percentile
67%
Versus all other CVEs
30-day change
+0.07 pp
From 1.10% on 19-09-2026
19-09-202619-10-2026
EPSS score1.17%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
NuGet8 products
- Microsoft.NETCore.App.Runtime.linux-arm≥ 10.0.0, < 10.0.10 | ≥ 9.0.0, < 9.0.18 | ≥ 8.0.0, < 8.0.29
- Microsoft.NETCore.App.Runtime.linux-arm64≥ 10.0.0, < 10.0.10 | ≥ 9.0.0, < 9.0.18 | ≥ 8.0.0, < 8.0.29
- Microsoft.NETCore.App.Runtime.linux-musl-arm≥ 10.0.0, < 10.0.10 | ≥ 9.0.0, < 9.0.18 | ≥ 8.0.0, < 8.0.29
- Microsoft.NETCore.App.Runtime.linux-musl-arm64≥ 10.0.0, < 10.0.10 | ≥ 9.0.0, < 9.0.18 | ≥ 8.0.0, < 8.0.29
- Microsoft.NETCore.App.Runtime.linux-musl-x64≥ 10.0.0, < 10.0.10 | ≥ 9.0.0, < 9.0.18 | ≥ 8.0.0, < 8.0.29
Microsoft4 products
Ubuntu4 products
- dotnet10< 10.0.110-10.0.10-0ubuntu1~24.04.1 | < 10.0.110-10.0.10-0ubuntu1~26.04.1
- dotnet6All versions (No fix recorded)
- dotnet7All versions (No fix recorded)
- dotnet8< 8.0.129-8.0.29-0ubuntu1~22.04.1 | < 8.0.129-8.0.29-0ubuntu1~24.04.1
Chainguard2 products
- dotnet-bootstrap-8< 8.0.130-r0
- dotnet-bootstrap-9< 9.0.120-r0
Wolfi2 products
- dotnet-bootstrap-8< 8.0.130-r0
- dotnet-bootstrap-9< 9.0.120-r0
5 vendors · 20 products
References
10 links- github.com/dotnet/runtimePACKAGE