How severe is CVE-2021-1055?

CVE-2021-1055 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-1055 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-1055?

CVE-2021-1055 affects Nvidia Gpu Driver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-1055?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-1055 published?

CVE-2021-1055 was published on 2021-01-08 and last updated on 2026-06-17.

CVE-2021-1055

CVE-2021-1055 is a medium-severity vulnerability in Nvidia Gpu Driver with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 4.6
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Nvidia Gpu Driver
Published: 2021-01-08
Last modified: 2026-06-17

Description

NVIDIA GPU Display Driver for Windows, all versions, contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape in which improper access control may lead to denial of service and information disclosure.

Frequently asked questions

What is CVE-2021-1055?: NVIDIA GPU Display Driver for Windows, all versions, contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape in which improper access control may lead to denial of service and information disclosure.
How severe is CVE-2021-1055?: CVE-2021-1055 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-1055 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-1055?: CVE-2021-1055 affects Nvidia Gpu Driver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-1055?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-1055 published?: CVE-2021-1055 was published on 2021-01-08 and last updated on 2026-06-17.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5142

Affected products (1)

cpe:2.3:a:nvidia:gpu_driver:*:*:*:*:*:*:*:*

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