---
id: CVE-2026-69806
title: >-
  Exposure of sensitive information to an unauthorized actor in .NET allows an
  authorized attacker to elevate privileges locally.
summary: >-
  Exposure of sensitive information to an unauthorized actor in .NET allows an
  authorized attacker to elevate privileges locally.
severity: high
cvss: 7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-94
  - CWE-200
vendor: Microsoft
product: .NET 10.0
affected:
  - .net_10.0 >= 10.0.0 < 10.0.12
  - .net_11.0 >= 11.0.0 < 11.0 RC1
  - .net_9.0 >= 9.0.0 < 9.0.20
  - visual_studio_2022_version_17.14 >= 17.14.0 < 17.14.40
  - visual_studio_2026_version_18.9 >= 18.9.0 < 18.9.3
patched:
  - enterprise_linux_appstream_v_10
  - enterprise_linux_codeready_linux_builder_v_10
published: '2026-09-08'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T22:18:08.053'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-69806'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69806'
    label: secure@microsoft.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-69806.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-69806'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2528921'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-69806'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-69806'
  - url: >-
      https://github.com/dotnet/dotnet/commit/882ef164b92836bf0cabcf8eb8719274e9dc075e
  - url: >-
      https://github.com/dotnet/dotnet/commit/ae39133877be792de27db50aaf415b5e9f003e11
  - url: >-
      https://github.com/dotnet/sdk/commit/d78666eeb83defc38c76bdf36f57a9a37b8e6e2a
  - url: 'https://access.redhat.com/errata/RHSA-2026:67528'
  - url: 'https://access.redhat.com/errata/RHSA-2026:67530'
  - url: 'https://access.redhat.com/errata/RHSA-2026:68233'
  - url: 'https://access.redhat.com/errata/RHSA-2026:67613'
  - url: 'https://access.redhat.com/errata/RHSA-2026:67614'
  - url: 'https://access.redhat.com/errata/RHSA-2026:68676'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-10T18:26:08.285062Z'
epss: 0.0187
epssPercentile: 0.78468
ingestedAt: '2026-09-08T19:08:49.620Z'
---

## Overview

Exposure of sensitive information to an unauthorized actor in .NET allows an authorized attacker to elevate privileges locally.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Important · affected: Red Hat Hardened Images · no fix planned: Red Hat Hardened Images · updated 2026-09-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-69806.json)
- **RHSA-2026:67528** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) · released 2026-09-15 · [advisory](https://access.redhat.com/errata/RHSA-2026:67528)
- **RHSA-2026:67530** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) · released 2026-09-15 · [advisory](https://access.redhat.com/errata/RHSA-2026:67530)
- **RHSA-2026:68233** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8) · released 2026-09-16 · [advisory](https://access.redhat.com/errata/RHSA-2026:68233)
- **RHSA-2026:67613** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) · released 2026-09-15 · [advisory](https://access.redhat.com/errata/RHSA-2026:67613)
- **RHSA-2026:67614** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) · released 2026-09-15 · [advisory](https://access.redhat.com/errata/RHSA-2026:67614)
- **RHSA-2026:68676** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8) · released 2026-09-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:68676)