---
id: CVE-2021-33767
title: Open Enclave SDK Elevation of Privilege Vulnerability
summary: Open Enclave SDK Elevation of Privilege Vulnerability
severity: high
cvss: 8.2
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'
vendor: microsoft
product: open_enclave_software_development_kit
affected:
  - open_enclave_software_development_kit < 0.17.1
patched:
  - open_enclave_software_development_kit 0.17.1
published: '2021-07-14'
updated: '2026-08-10'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-33767'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33767'
    label: secure@microsoft.com
  - url: >-
      https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33767
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00903
epssPercentile: 0.58012
ingestedAt: '2026-08-10T16:41:15.473Z'
---

## Overview

Open Enclave SDK Elevation of Privilege Vulnerability

## Affected

- `open_enclave_software_development_kit < 0.17.1`

## Remediation

Upgrade past the affected range:

- `open_enclave_software_development_kit 0.17.1`