CVE-2026-8864

Local privilege escalation through unquoted search path

Published Jun 30, 2026 · Updated Jun 30, 2026

Unquoted search path in HP Fan Control App before 1.0.0.2 allows local users to elevate privileges on Windows systems. HP maps the issue to CWE-428, indicating an unquoted program-invocation path, but has not disclosed the affected invocation or executable path. Exploitation requires local low-privileged access and additional attack conditions; successful abuse grants elevated execution affecting data and service availability.

CVSS severity7.3
High
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unquoted search path in HP Fan Control App before 1.0.0.2 allows local users to elevate privileges on Windows systems. HP maps the issue to CWE-428, indicating an unquoted program-invocation path, but has not disclosed the affected invocation or executable path. Exploitation requires local low-privileged access and additional attack conditions; successful abuse grants elevated execution affecting data and service availability.

The record

CVE
CVE-2026-8864
Published
Jun 30, 2026
Updated
Jun 30, 2026
Vendor
Plantronics
Product
HP Fan Control App
Classifications
CWE-428, T1574.009
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 30, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 30, 2026Record 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=0 <1.0.0.2

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Plantronics · HP Fan Control Appversion=0 <1.0.0.2

Published CVSS scores

7.3HP Inc.CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-428Unquoted Search Path or Element
T1574.009Path Interception by Unquoted Path

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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