---
title: "CVE-2026-114148: ASP.NET Core - Privilege Escalation"
description: "ASP.NET Core contains a privilege escalation caused by incorrect default permissions, letting authorized attackers elevate privileges locally, exploit requires attacker to be authorized."
url: https://panop.io/threat-heartbeat/CVE-2026-114148/
---

# CVE-2026-114148 ASP.NET Core - Privilege Escalation

ASP.NET Core contains a privilege escalation caused by incorrect default permissions, letting authorized attackers elevate privileges locally, exploit requires attacker to be authorized.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

Proof of concept available

Authentication

Required

EPSS

0.36% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-114148)

## Details

Type

Privilege Escalation

Impact

Privilege Escalation

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

29 October 2026

Updated

31 October 2026

Weakness

[CWE-276](https://cwe.mitre.org/data/definitions/276.html)

## Vendor fix

Update to the latest version of ASP.NET Core.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-114148](https://nvd.nist.gov/vuln/detail/CVE-2026-114148)
- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-114148](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-114148)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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