CVE-2026-24189 NVIDIA CVE debrief

Who should care

Defenders responsible for systems using NVIDIA CUDA-Q should assess exposure and prioritize verification and potential remediation. This includes operators, platform administrators, vulnerability management teams, and security teams who manage or use systems with NVIDIA CUDA-Q. They should verify system exposure to CVE-2026-24189 and assess the need for updates or workarounds for NVIDIA CUDA-Q.

Why it matters

CVE-2026-24189 is a high-severity vulnerability in NVIDIA CUDA-Q that could lead to denial of service and information disclosure if exploited. Defenders should prioritize verifying exposure in systems using NVIDIA CUDA-Q and assess the need for updates or workarounds.

• Denial of service could occur if the vulnerability is exploited
• Information disclosure could occur if the vulnerability is exploited
• Verify system exposure to CVE-2026-24189
• Assess the need for updates or workarounds for NVIDIA CUDA-Q

Technical summary

CVE-2026-24189 is a vulnerability in NVIDIA CUDA-Q that could lead to denial of service and information disclosure if exploited. The vulnerability is caused by an out-of-bounds read in an endpoint of NVIDIA CUDA-Q, allowing an unauthenticated attacker to send a maliciously crafted request. Defenders should prioritize verifying exposure in systems using NVIDIA CUDA-Q and assess the need for updates or workarounds. The CVE record was published on 2026-04-21T17:16:23.933Z, and the information available is limited. NVIDIA CUDA-Q is a software stack for building accelerated computing applications.

Defensive priority

Defenders should prioritize verifying exposure in systems using NVIDIA CUDA-Q and assess the need for updates or workarounds.

Recommended defensive actions

• Verify system exposure to CVE-2026-24189
• Assess the need for updates or workarounds for NVIDIA CUDA-Q
• Monitor system logs for potential exploitation attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability in NVIDIA CUDA-Q, which could lead to denial of service and information disclosure if exploited. The vulnerability is caused by an out-of-bounds read in an endpoint of NVIDIA CUDA-Q. The CVE record was published on 2026-04-21T17:16:23.933Z. The information available is limited, and defenders should verify the exposure of systems using NVIDIA CUDA-Q.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.