CVE-2026-114148: Microsoft .NET 10.0 installed on Linux (High, CVSS 7.8)
CVE-2026-114148HighPublic exploitMicrosoft .NET 10.0 installed on Linux
- CVSS
- 7.8 High (v3.1)
- Exploited in the wild
- Not on CISA’s KEV list
- Public exploit
- Yes, reported in 1 GitHub repository
- Weakness
- CWE-276
- Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Published
- Oct 29, 2026
What it is
Incorrect default permissions in ASP.NET Core allows an authorized attacker to elevate privileges locally.
Description from the National Vulnerability Database.
What to do
Check whether you run Microsoft .NET 10.0 installed on Linux, then apply the vendor’s fix or mitigation from the advisories below. Because this flaw is exploited or has public exploit code, treat it as urgent and check for signs of compromise, not just the patch level.
Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.