How severe is CVE-2021-1077?

CVE-2021-1077 has a CVSS 3.x base score of 6.6, 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 high.

Is CVE-2021-1077 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-1077?

CVE-2021-1077 primarily affects Nvidia Gpu Display Driver. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-1077?

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

When was CVE-2021-1077 published?

CVE-2021-1077 was published on 2021-04-21 and last updated on 2026-06-17.

CVE-2021-1077

CVE-2021-1077 is a medium-severity vulnerability in Nvidia Gpu Display Driver with a CVSS 3.x base score of 6.6. 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-404.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
CVSS v2: 2.1
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-404
Affected product: Nvidia Gpu Display Driver
Published: 2021-04-21
Last modified: 2026-06-17

Description

NVIDIA GPU Display Driver for Windows and Linux, R450 and R460 driver branch, contains a vulnerability where the software uses a reference count to manage a resource that is incorrectly updated, which may lead to denial of service.

Frequently asked questions

What is CVE-2021-1077?: NVIDIA GPU Display Driver for Windows and Linux, R450 and R460 driver branch, contains a vulnerability where the software uses a reference count to manage a resource that is incorrectly updated, which may lead to denial of service.
How severe is CVE-2021-1077?: CVE-2021-1077 has a CVSS 3.x base score of 6.6, 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 high.
Is CVE-2021-1077 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-1077?: CVE-2021-1077 primarily affects Nvidia Gpu Display Driver. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-1077?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-1077 published?: CVE-2021-1077 was published on 2021-04-21 and last updated on 2026-06-17.

References

Affected products (2)

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

More vulnerabilities in Nvidia Gpu Display Driver

CVE-2026-24187 — High (CVSS 8.8): NVIDIA Display Driver for Linux contains a vulnerability where an attacker could cause a use-after-free. A successful…
CVE-2023-0184 — High (CVSS 8.8): NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer handler which may…
CVE-2022-34671 — High (CVSS 8.5): NVIDIA GPU Display Driver for Windows contains a vulnerability in the user-mode layer, where an unprivileged user can…
CVE-2022-28182 — High (CVSS 8.5): NVIDIA GPU Display Driver for Windows contains a vulnerability in the DirectX11 user mode driver (nvwgf2um/x.dll),…
CVE-2022-28181 — High (CVSS 8.5): NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer, where an…
CVE-2026-24194 — High (CVSS 7.8): NVIDIA Display Driver for Linux contains a vulnerability in a kernel mode layer handler, where a user could cause…

All CVEs affecting Nvidia Gpu Display Driver →

Other CWE-404 vulnerabilities

CVE-2023-24444 — Critical (CVSS 9.8): Jenkins OpenID Plugin 2.4 and earlier does not invalidate the previous session on login.
CVE-2024-31611 — Critical (CVSS 9.1): SeaCMS 12.9 has a file deletion vulnerability via admin_template.php.
CVE-2018-8450 — High (CVSS 8.8): A remote code execution vulnerability exists when Windows Search handles objects in memory, aka "Windows Search Remote…
CVE-2026-11317 — High (CVSS 8.7): A denial of service security issue exists in the affected product. The security issue stems from a fault occurring when…
CVE-2022-25762 — High (CVSS 8.6): If a web application sends a WebSocket message concurrently with the WebSocket connection closing when running on…
CVE-2020-26070 — High (CVSS 8.6): A vulnerability in the ingress packet processing function of Cisco IOS XR Software for Cisco ASR 9000 Series…

Browse all CWE-404 vulnerabilities →