CVE-2020-12373

Service interruption via expired pointer dereference

Published Feb 17, 2021 · Updated Aug 4, 2024

Expired-pointer dereference in Intel Graphics Drivers before 26.20.100.8141 allows local users with high privileges to interrupt service. The driver dereferences an expired pointer, but Intel has not disclosed the affected routine or how the pointer lifetime becomes invalid. Exploitation requires privileged local access, and the published impact is limited to denial of service.

CVSS severity1.9
Low
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Expired-pointer dereference in Intel Graphics Drivers before 26.20.100.8141 allows local users with high privileges to interrupt service. The driver dereferences an expired pointer, but Intel has not disclosed the affected routine or how the pointer lifetime becomes invalid. Exploitation requires privileged local access, and the published impact is limited to denial of service.

The record

CVE
CVE-2020-12373
Published
Feb 17, 2021
Updated
Aug 4, 2024
Vendor
Topcon Positioning Systems, Inc.
Product
Intel Graphics Drivers
Classifications
CWE-119, T1499
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Feb 17, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 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 26.20.100.8141

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Topcon Positioning Systems, Inc. · Intel Graphics Driversversion=before version 26.20.100.8141

Published CVSS scores

1.9Intel CorporationCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
4.6NIST NVDAV:L/AC:L/Au:N/C:P/I:P/A:P
6.7NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
T1499Endpoint Denial of Service

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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