CVE-2021-33091

Local privilege escalation via inherited installer permissions

Published Nov 17, 2021 · Updated Aug 3, 2024

Incorrect permissions in the Intel NUC M15 Laptop Kit Audio Driver Pack installer before 1.3 allow local users to gain elevated privileges. The installer inherits unsafe permissions, but Intel has not identified the affected resource, permission entries, or privileged operation. Exploitation requires an authenticated local user and execution of the installer; successful abuse grants elevated privileges on the Windows host.

CVSS severity6.7
Medium
EPSS probability0.23%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect permissions in the Intel NUC M15 Laptop Kit Audio Driver Pack installer before 1.3 allow local users to gain elevated privileges. The installer inherits unsafe permissions, but Intel has not identified the affected resource, permission entries, or privileged operation. Exploitation requires an authenticated local user and execution of the installer; successful abuse grants elevated privileges on the Windows host.

The record

CVE
CVE-2021-33091
Published
Nov 17, 2021
Updated
Aug 3, 2024
Vendor
Intel Corporation
Product
Intel NUC M15 Laptop Kit Audio Driver Pack
Classifications
CWE-732, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 17, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=before version 1.3

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Intel Corporation · Intel NUC M15 Laptop Kit Audio Driver Packversion=before version 1.3

Published CVSS scores

7.2NIST NVDAV:L/AC:L/Au:N/C:C/I:C/A:C
7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.7Intel CorporationCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-732Incorrect Permission Assignment for Critical Resource
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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