CVE-2021-33086

Out-of-bounds write in firmware for some Intel(R) NUCs may allow an authenticated user to...

5.5 Medium

Out-of-bounds write in firmware for some Intel(R) NUCs may allow an authenticated user to potentially enable denial of service via local access.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.22%Down 0.3 points since Nov 18, 2021

What each source reports

NVD Score used 5.5

Out-of-bounds write in firmware for some Intel(R) NUCs may allow an authenticated user to potentially enable denial of service via local access.

Record: CVE-2021-33086
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 4.9 MediumAV:L/AC:L/Au:N/C:N/I:N/A:C
Weakness: CWE-787
Updated: 2026-11-02

CVE List No score

Out-of-bounds write in firmware for some Intel(R) NUCs may allow an authenticated user to potentially enable denial of service via local access.

Record: CVE-2021-33086
Updated: 2026-11-02

EUVDEUVD-2021-19801 No score

Out-of-bounds write in firmware for some Intel(R) NUCs may allow an authenticated user to potentially enable denial of service via local access.

Record: EUVD-2021-19801
Updated: 2026-11-03

GitHub AdvisoriesGHSA-82mx-gqwp-hp24 No score

Out-of-bounds write in firmware for some Intel(R) NUCs may allow an authenticated user to...

Out-of-bounds write in firmware for some Intel(R) NUCs may allow an authenticated user to potentially enable denial of service via local access.

Record: GHSA-82mx-gqwp-hp24
Weakness: CWE-787
Updated: 2026-11-02

Affected products

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History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-33086 is a medium vulnerability (CVSS 5.5) in Intel Nuc 10 Performance Kit Nuc10i3fnh Firmware, published November 17, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

History

In short

References