External risk intelligence

Use After Free Vulnerability Allows Remote Code Execution

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2026-55335

The CVE refers to a vulnerability within the Android/Pixel ecosystem. These vulnerabilities typically affect local system components, libraries, or device-specific drivers that are not designed to be exposed to the public internet, making direct remote exploitation from the internet highly unlikely in common real-world deployments.

Use After Free

Halo Surface Signal: 1 out of 5 — much less likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A logic error in certain software locations could allow remote code execution without user interaction or special privileges, potentially impacting systems that use this software.

A flaw could let attackers run code remotely.
It matters if the affected technology is in use.
Confirm relevance and exposure within your environment.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by sending specially crafted data over the network to a vulnerable component. This could lead to the execution of arbitrary code on the affected system, as the vulnerability allows for remote code execution without requiring any special privileges or user interaction.

No prior access or authentication needed.
Triggered by network data.
Enables remote code execution.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an attacker to execute arbitrary code on a system remotely. When supported by the advisory, this could happen without any user interaction and without requiring special privileges, potentially affecting system integrity and confidentiality.

System code execution.
Remote exploitation over the network.
Compromised system integrity and confidentiality.

Operational Fix

Recommended remediation, mitigation, and detection steps

This critical vulnerability, potentially leading to remote code execution without user interaction, likely resides within application components or libraries managed by platform or application owners. The immediate priority is to identify all instances of the affected technology, confirm its exposure and business criticality, and assign ownership for remediation.

Application and platform teams should own remediation.
Verify affected technology and assess business criticality.
Plan coordinated maintenance for mitigation.

Supplementary metadata

CVSS vector

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-2026-55335?

This vulnerability affects components within the Android and Pixel ecosystem. These systems rely on various low-level libraries and device-specific drivers to manage hardware and software interactions. Because these parts are integrated into the core platform, they are essential for device operation, and flaws here can impact the security of the entire system.

What does use-after-free mean in CVE-2026-55335?

A use-after-free, classified as CWE-416, is a memory management error. It occurs when a program continues to use a pointer to a memory location after that memory has been freed or cleared. If an attacker can control what is written into that freed space, they can manipulate the program's logic to execute unauthorized commands or gain control over the system.

How is this vulnerability triggered?

The flaw is triggered when a system receives specially crafted data over a network. Because it is a logic error, the system incorrectly processes this data, leading to the memory corruption issue. It is important to note that the system does not require any specific user actions or pre-existing credentials for this error to occur; the network input alone is sufficient.

Why is internet-facing exposure unlikely for this CVE?

According to Halo Surface Signal, this vulnerability is very unlikely to be exploited from the public internet. While the CVSS vector identifies the attack path as network-based, the affected Android and Pixel components are typically internal system-level services. These are not designed to receive or process raw, untrusted traffic from the open internet in standard configurations.

What should I do if I run this technology?

Your first step is to locate all instances of the software within your environment and determine their business criticality. Since this involves core platform components, coordinate with your platform or application teams to review official security updates. Prioritize identifying systems that handle sensitive data and prepare to apply patches once they are released by the vendor.

References

source.android.com/docs/security/bulletin/pixel/2026/2026-11-01

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.