External risk intelligence

Resource Exhaustion Denial of Service Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 10.0)

CVE-2026-0064

A critical vulnerability exists that allows for a persistent denial of service through resource exhaustion. This could disrupt local systems without needing special privileges or user interaction, impacting service availability. The relevance and exposure to our environment are currently uncertain.

Denial of Service

Halo Surface Signal

Very unlikely · external exposure

1Halo Surface Signal

The description explicitly states the vulnerability leads to local denial of service. As a local-only issue, it does not involve network-exposed interfaces, making public internet reachability for this specific vulnerability very unlikely.

Horizon Alert

Summary of the vulnerability and why it matters

A critical vulnerability has been identified that could allow for a persistent denial of service through resource exhaustion, potentially impacting local systems without requiring elevated privileges or user interaction. The main concern at this stage is confirming the relevance and exposure of this issue to our environment.

  • Persistent denial of service via resource exhaustion.
  • Potential for local system disruption.
  • Confirm relevance and exposure for our environment.

Attack Path

How an attacker could exploit the issue

An attacker could cause a persistent denial of service by exhausting system resources. This attack does not require any special privileges or user interaction to succeed and could potentially impact the availability of the system for local users.

  • No special access needed.
  • Vulnerability triggered by resource exhaustion.
  • Risk of local denial of service.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could lead to a denial of service on a system, preventing normal operations when certain conditions are met. The vulnerability's impact is localized, meaning it affects the system where it is present without needing additional execution privileges or user interaction.

  • System resources could be exhausted.
  • Exploitation could occur locally.
  • Service availability may be impacted.

Operational Fix

Recommended remediation, mitigation, and detection steps

The impact of this vulnerability, a possible persistent denial of service due to resource exhaustion, suggests that platform or infrastructure teams are likely responsible for its remediation, particularly if it affects core system services. The immediate first step is to identify all instances of the affected technology, confirm its accessibility and business criticality, and then determine the accountable owner to prioritize and plan the appropriate response.

  • Platform or infrastructure teams own this issue.
  • Verify local impact and asset criticality.
  • Plan remediation based on business risk.

Supplementary metadata

PCI scan relevance

Yes

CVE-2026-0064 — Halo PCI Relevance: Yes. Under typical PCI ASV external scan criteria, this issue may be flagged for scan prioritization.

This vulnerability could lead to a denial of service through resource exhaustion, potentially causing a PCI ASV scan to fail.

Scan-prioritization guidance only—not a PCI DSS certification or ASV attestation.

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

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Frequently asked questions

What is the software affected by CVE-2026-0064?

CVE-2026-0064 refers to a vulnerability within components of the Android ecosystem. These components are foundational parts of the operating system that manage internal system resources. They are used by the platform to handle background tasks, process requests, and maintain overall system stability.

What does resource exhaustion mean for CVE-2026-0064?

This vulnerability is classified as CWE-400, or Uncontrolled Resource Consumption. In plain terms, it means the software can be forced to use up too much of a system's capacity—such as memory or processing power—until it can no longer function correctly. This specific flaw triggers a persistent denial of service, effectively stalling or crashing local system operations because the software cannot recover on its own.

How can an attacker trigger this denial of service?

The vulnerability allows an attacker to cause resource exhaustion without needing any special user privileges or complex interaction. While it is easy to trigger, it is important to note that the flaw is restricted to the local environment. It does not occur through standard remote network commands or remote service requests, as it requires localized access to the affected system to initiate.

Is my system at risk of this vulnerability?

According to Halo Surface Signal, this risk is very unlikely to be reachable from the public internet. Because the vulnerability is confined to local system operations, it does not involve common network-exposed interfaces that are typically targets for remote attackers. You should focus your attention on systems where local access by unauthorized users or potentially malicious local applications is a specific concern.

How should I respond if I am running this technology?

The most effective first step is to perform an inventory of your environment to identify where this specific technology is deployed. Once identified, evaluate the business criticality of those assets to determine if they are in high-traffic or multi-user environments where local access risks are higher. Coordinate with your infrastructure or platform teams to prioritize these assets for scheduled updates when patches become available.

References

Sources and related resources

Primary sources: NVD, CVE.org.

NVDPublished