CVE-2021-0012

Local denial of service via use-after-free

Published Aug 11, 2021 · Updated Aug 3, 2024

Use-after-free in Intel Graphics Driver before 27.20.100.8336, 15.45.33.5164, or 15.40.47.5166 allows local users to cause denial of service. Intel has not disclosed the affected driver routine or the operation that accesses freed memory. Successful exploitation requires low-privileged local access and interrupts availability without reported confidentiality or integrity impact.

CVSS severity5.6
Medium
EPSS probability0.23%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in Intel Graphics Driver before 27.20.100.8336, 15.45.33.5164, or 15.40.47.5166 allows local users to cause denial of service. Intel has not disclosed the affected driver routine or the operation that accesses freed memory. Successful exploitation requires low-privileged local access and interrupts availability without reported confidentiality or integrity impact.

The record

CVE
CVE-2021-0012
Published
Aug 11, 2021
Updated
Aug 3, 2024
Vendor
Topcon Positioning Systems, Inc.
Product
Intel Graphics Driver
Classifications
CWE-416, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 11, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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 27.20.100.8336, 15.45.33.5164, and 15.40.47.5166

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Topcon Positioning Systems, Inc. · Intel Graphics Driverversion=before version 27.20.100.8336, 15.45.33.5164, and 15.40.47.5166

Published CVSS scores

5.6Intel CorporationCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
2.1NIST National Vulnerability DatabaseAV:L/AC:L/Au:N/C:N/I:N/A:P
5.5NIST National Vulnerability DatabaseCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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-416Use After Free
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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