8.2High
Microsoft Open Enclave Software Development Kit
CVE-2021-33767
Open Enclave SDK Elevation of Privilege Vulnerability
What this means for your business
- It affects Microsoft Open Enclave Software Development Kit. It matters if your company, or a supplier that handles your data, runs it.
- An attacker can use it only with access to the machine itself, with an administrator login, and without anyone at your company clicking anything.
- FIRST's prediction model gives it a 0.9% chance of attack attempts being seen in the next 30 days, ranking above 57% of all known flaws.
What to do
- 1Check whether your company or your suppliers run Microsoft Open Enclave Software Development Kit, and which version. The affected versions are listed further down this page.
- 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.
Not sure if your company is exposed?
Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.
Scoring
- CVSS
- 8.2 (v3.1)
- Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H- Assigned by
- secure@microsoft.com
Dates
- Published
- 2021-07-14
- Last modified
- 2026-08-10
- Sources
- NVD
Affected products
- Microsoft Open Enclave Software Development Kit- 0.17.1
As listed in the NVD configuration data. Not a statement about your estate.