How severe is CVE-2021-1117?

CVE-2021-1117 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-1117 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-1117?

CVE-2021-1117 affects Nvidia Gpu Display Driver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-1117?

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

When was CVE-2021-1117 published?

CVE-2021-1117 was published on 2021-10-27 and last updated on 2026-06-17.

CVE-2021-1117

CVE-2021-1117 is a medium-severity vulnerability in Nvidia Gpu Display Driver with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-129.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
CVSS v2: 1.9
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-129
Affected product: Nvidia Gpu Display Driver
Published: 2021-10-27
Last modified: 2026-06-17

Description

Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape, where an attacker through specific configuration and with local unprivileged system access may cause improper input validation, which may lead to denial of service.

Frequently asked questions

What is CVE-2021-1117?: Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape, where an attacker through specific configuration and with local unprivileged system access may cause improper input validation, which may lead to denial of service.
How severe is CVE-2021-1117?: CVE-2021-1117 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-1117 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-1117?: CVE-2021-1117 affects Nvidia Gpu Display Driver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-1117?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-1117 published?: CVE-2021-1117 was published on 2021-10-27 and last updated on 2026-06-17.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5230

Affected products (1)

cpe:2.3:a:nvidia:gpu_display_driver:*:*:*:*:*:windows:*:*

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