CVE-2025-38747

Local privilege escalation via insecure temporary-file permissions

Published Aug 6, 2025 · Updated Feb 26, 2026

Insecure temporary-file permissions in Dell SupportAssist OS Recovery before 5.5.14.0 allow local users to elevate privileges. The affected temporary-file creation path assigns insecure permissions, but Dell has not published the file name, function, or exact operation that enables the escalation. Exploitation requires an authenticated local session and grants elevated privileges on the affected Windows system.

CVSS severity7.8
High
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insecure temporary-file permissions in Dell SupportAssist OS Recovery before 5.5.14.0 allow local users to elevate privileges. The affected temporary-file creation path assigns insecure permissions, but Dell has not published the file name, function, or exact operation that enables the escalation. Exploitation requires an authenticated local session and grants elevated privileges on the affected Windows system.

The record

CVE
CVE-2025-38747
Published
Aug 6, 2025
Updated
Feb 26, 2026
Vendor
Dell
Product
SupportAssist OS Recovery
Classifications
CWE-378, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 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=N/A <5.5.14.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Dell · SupportAssist OS Recoveryversion=N/A <5.5.14.0

Published CVSS scores

7.8DellCVSS:3.1/AV:L/AC:L/PR:L/UI:N/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.

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-378Creation of Temporary File With Insecure Permissions
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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