CVE-2023-27300

Local information disclosure via improper buffer restrictions

Published Feb 14, 2024 · Updated Aug 8, 2024

Information disclosure in Intel Thunderbolt DCH drivers for Windows before version 88 allows local users to read unspecified data. Intel has not published the affected driver component, buffer operation, untrusted input, or the data exposed by the improper buffer restrictions. Exploitation requires an authenticated low-privilege user with local access; no user interaction is required, and the disclosed impact is limited to confidentiality.

CVSS severity3.8
Low
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Intel Thunderbolt DCH drivers for Windows before version 88 allows local users to read unspecified data. Intel has not published the affected driver component, buffer operation, untrusted input, or the data exposed by the improper buffer restrictions. Exploitation requires an authenticated low-privilege user with local access; no user interaction is required, and the disclosed impact is limited to confidentiality.

The record

CVE
CVE-2023-27300
Published
Feb 14, 2024
Updated
Aug 8, 2024
Vendor
Topcon Positioning Systems, Inc.
Product
Intel Thunderbolt DCH driver for Windows
Classifications
CWE-92
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 14, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 8, 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 88

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Topcon Positioning Systems, Inc. · Intel Thunderbolt DCH driver for Windowsversion=before version 88

Published CVSS scores

3.8Intel CorporationCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A: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-92DEPRECATED: Improper Sanitization of Custom Special Characters

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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