CVE-2021-1054

Local denial of service via DxgkDdiEscape authorization

Published Jan 8, 2021 · Updated Aug 3, 2024

NVIDIA GPU Display Driver for Windows, all versions, allows local users to cause denial of service via an authorization flaw. The nvlddmkm.sys kernel-mode handler for DxgkDdiEscape fails to perform or incorrectly performs authorization checks when processing resource or action requests. Exploitation requires local user access and can interrupt display service; no confidentiality or integrity impact is reported.

CVSS severity6.5
Medium
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

NVIDIA GPU Display Driver for Windows, all versions, allows local users to cause denial of service via an authorization flaw. The nvlddmkm.sys kernel-mode handler for DxgkDdiEscape fails to perform or incorrectly performs authorization checks when processing resource or action requests. Exploitation requires local user access and can interrupt display service; no confidentiality or integrity impact is reported.

The record

CVE
CVE-2021-1054
Published
Jan 8, 2021
Updated
Aug 3, 2024
Vendor
NVIDIA
Product
NVIDIA GPU Display Driver
Classifications
CWE-862, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 8, 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=All

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

NVIDIA · NVIDIA GPU Display Driverversion=All

Published CVSS scores

6.5NVIDIA CorporationCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
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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