CVE-2022-21239

Local information disclosure via out-of-bounds read

Published May 10, 2023 · Updated Jan 27, 2025

Out-of-bounds read in Intel QAT Driver for Windows before 1.9.0-0008 allows local users to disclose information. Intel has not published the affected routine, buffer, or driver operation that reads beyond its allocation boundary. Low-privileged local access is required, and the nature of the disclosed data is not publicly characterized.

CVSS severity5.6
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds read in Intel QAT Driver for Windows before 1.9.0-0008 allows local users to disclose information. Intel has not published the affected routine, buffer, or driver operation that reads beyond its allocation boundary. Low-privileged local access is required, and the nature of the disclosed data is not publicly characterized.

The record

CVE
CVE-2022-21239
Published
May 10, 2023
Updated
Jan 27, 2025
Vendor
Topcon Positioning Systems, Inc.
Product
Intel QuickAssist Technology Driver for Windows
Classifications
CWE-125
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. May 10, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 27, 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 1.9.0-0008

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Topcon Positioning Systems, Inc. · Intel QuickAssist Technology Driver for Windowsversion=before version 1.9.0-0008

Published CVSS scores

5.6Intel CorporationCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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-125Out-of-bounds Read

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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