Vulnerability in Microsoft Asp.net Core Runtime And Targeting-Pack Linux Tarballs (Microsoft-Published)
CVE-2026-114148
Incorrect default permissions in ASP.NET Core allows an authorized attacker to elevate privileges locally.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Microsoft Asp.net Core Runtime And Targeting-Pack Linux Tarballs (Microsoft-Published)
- Microsoft .Net 10.0 Installed On Linux
- Microsoft .Net 10.0 Installed On Mac OS
- Microsoft .Net 10.0 Installed On Windows
- Microsoft .Net 11.0 Installed On Linux
- Microsoft .Net 11.0 Installed On Mac OS
- Microsoft .Net 11.0 Installed On Windows
- Microsoft .Net 8.0 Installed On Linux
- Microsoft .Net 8.0 Installed On Mac OS
- Microsoft .Net 8.0 Installed On Windows
Weakness classification (CWE)
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-114148 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-114148?
- CVE-2026-114148 is a high-severity vulnerability in Microsoft Asp.net Core Runtime And Targeting-Pack Linux Tarballs (Microsoft-Published), classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2026-10-29.
- How severe is CVE-2026-114148?
- High severity. CVSS v3 base score is 7.8 out of 10.