CVE-2025-20099

Local privilege escalation through undisclosed access-control flaw

Published Aug 12, 2025 · Updated Feb 26, 2026

Improper access control in Intel Rapid Storage Technology installation software allows local authenticated users to escalate privileges. Intel has not disclosed the affected installer component or the operation that improperly authorizes untrusted input. Exploitation requires low-privileged local access, active user interaction, and additional attack conditions, and can compromise host data and execution.

CVSS severity5.4
Medium
EPSS probability0.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Intel Rapid Storage Technology installation software allows local authenticated users to escalate privileges. Intel has not disclosed the affected installer component or the operation that improperly authorizes untrusted input. Exploitation requires low-privileged local access, active user interaction, and additional attack conditions, and can compromise host data and execution.

The record

CVE
CVE-2025-20099
Published
Aug 12, 2025
Updated
Feb 26, 2026
Vendor
Topcon Positioning Systems, Inc.
Product
Intel Rapid Storage Technology Application
Classifications
CWE-284, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 12, 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=See references

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Topcon Positioning Systems, Inc. · Intel Rapid Storage Technology Applicationversion=See references

Published CVSS scores

5.4Intel CorporationCVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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-284Improper Access Control
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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