CVE-2022-27493

Privilege escalation via improper firmware initialization

Published Aug 18, 2022 · Updated Feb 18, 2025

Improper firmware initialization in Intel NUC Laptop Kits before BC0076 allows local users with high privileges to escalate privileges. Intel has not disclosed which firmware component is initialized incorrectly or how the resulting state enables escalation. Reachability requires local access and high privileges; successful exploitation grants privileges across a security boundary.

CVSS severity7.5
High
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper firmware initialization in Intel NUC Laptop Kits before BC0076 allows local users with high privileges to escalate privileges. Intel has not disclosed which firmware component is initialized incorrectly or how the resulting state enables escalation. Reachability requires local access and high privileges; successful exploitation grants privileges across a security boundary.

The record

CVE
CVE-2022-27493
Published
Aug 18, 2022
Updated
Feb 18, 2025
Vendor
Intel Corporation
Product
Intel NUC Laptop Kits
Classifications
CWE-665, T1068
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Aug 18, 2022CVE publishedPublication date reported by the CVE source.
  2. Feb 18, 2025Record 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 BC0076

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Intel Corporation · Intel NUC Laptop Kitsversion=before version BC0076

Published CVSS scores

7.8CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.5Intel CorporationCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-665Improper Initialization
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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