CVE-2020-24450

Local privilege escalation via undisclosed condition check

Published Feb 17, 2021 · Updated Aug 4, 2024

Improper condition checking in Intel Graphics Drivers before 26.20.100.8141, 15.45.32.5145, or 15.40.46.5144 grants local users elevated privileges. Intel identifies the faulty locus only as an improper conditions check and has not disclosed the checked condition or triggering input. The flaw requires an authenticated local account and enables privilege escalation without user interaction.

CVSS severity7.3
High
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

Improper condition checking in Intel Graphics Drivers before 26.20.100.8141, 15.45.32.5145, or 15.40.46.5144 grants local users elevated privileges. Intel identifies the faulty locus only as an improper conditions check and has not disclosed the checked condition or triggering input. The flaw requires an authenticated local account and enables privilege escalation without user interaction.

The record

CVE
CVE-2020-24450
Published
Feb 17, 2021
Updated
Aug 4, 2024
Vendor
Topcon Positioning Systems, Inc.
Product
Intel Graphics Drivers
Classifications
CWE-754, T1068
Attack vector
local
Privileges
authenticated

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 versions 26.20.100.8141, 15.45.32.5145 and 15.40.46.5144

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Topcon Positioning Systems, Inc. · Intel Graphics Driversversion=before versions 26.20.100.8141, 15.45.32.5145 and 15.40.46.5144

Published CVSS scores

4.6NIST NVDAV:L/AC:L/Au:N/C:P/I:P/A:P
7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.3Intel CorporationCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L

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 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-754Improper Check for Unusual or Exceptional Conditions
T1068Exploitation for Privilege Escalation

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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