7.8 High

Incorrect default permissions in ASP.NET Core allows an authorized attacker to elevate privileges locally.

CVE-2026-114148

Proof-of-concept code is published

Public PoC

Public PoCGhost-Bx1/DotNet-Tarball-CVE-2026-114148

Signals come from Exploit-DB, Metasploit, Nuclei and published proof-of-concept repositories. Their absence means nothing was found, not that nothing exists.

Assessment

CVSS: 7.8 (v3.1)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Public PoC
Published: 29 October 2026
Last updated: 30 October 2026
Affected: Microsoft
Assigner: microsoft

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

At the source

EUVD (ENISA)

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-114148

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Query this programmatically

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