What’s Vulnerable › Vulnerabilities

CVE-2021-33767: Open Enclave SDK Elevation of Privilege Vulnerability

• Severity: medium (CVSS 4.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-14 · updated 2026-08-10

Description

Open Enclave SDK Elevation of Privilege Vulnerability

Affected products

• Microsoft Open Enclave SDK: before 0.17.1 — fixed in 0.17.1
• Microsoft Open Enclave SDK: from 0.1.1 before 0.17.1 — fixed in 0.17.1

How to fix

Upgrade to a fixed version: Microsoft Open Enclave SDK 0.17.1; Microsoft Open Enclave SDK 0.17.1. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33767
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33767

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