CVE-2026-21385 is a high-severity vulnerability affecting multiple Qualcomm chipsets. This vulnerability allows memory corruption while using alignments for memory allocation, which can lead to serious security implications. Given the nature of this flaw, organizations utilizing affected chipsets should be aware of the potential risks associated with exploitation.
With a CVSS score of 7.8, this vulnerability falls within the high-severity category. The risk to organizations includes potential unauthorized access, data leakage, and interruptions in service due to the exploitation of this flaw. The urgency to address this vulnerability cannot be overstated, as the impact could be widespread.
As of the most recent update, the vulnerability has been analyzed and is included in the Known Exploited Vulnerabilities (KEV) catalog. Organizations should prioritize patching immediately to mitigate potential exploitation risks and protect sensitive data.
The exploitation status indicates that this vulnerability is actively being targeted, which adds a layer of urgency for response teams. Organizations are encouraged to follow vendor guidance for remediation and apply necessary patches as soon as possible.
Vulnerability Details
The official description of CVE-2026-21385 states that it is a memory corruption vulnerability while using alignments for memory allocation. This vulnerability has been classified under CWE-190, indicating a common weakness in handling memory allocations.
The vulnerability has a CVSS score of 7.8, indicating a high severity level. The attack vector is local, meaning that an attacker would require local access to exploit this vulnerability. The attack complexity is low, with low privileges required and no user interaction needed for exploitation.
The impacts of this vulnerability are significant, with high confidentiality, integrity, and availability impacts. Organizations using Qualcomm technology need to be vigilant and ensure that their systems are updated to address this vulnerability.
Technical Analysis
The root cause of this vulnerability lies in improper memory allocation handling. Attackers may leverage this vulnerability to perform unauthorized operations on affected systems, potentially leading to data corruption or disclosure.
The attack vector is local, meaning an attacker would need physical access to the device. The complexity of the attack is low, and no user interaction is required, making it easier for potential attackers to exploit this vulnerability.
The confidentiality, integrity, and availability impacts of this vulnerability highlight the serious risks associated with its exploitation. Organizations must understand the implications of this vulnerability and take appropriate actions to mitigate risks.
Risk & Impact Analysis
The real-world deployment risk associated with CVE-2026-21385 is significant. Given that this vulnerability affects multiple Qualcomm chipsets, the blast radius could be extensive, impacting a wide range of devices and services.
Organizations must recognize the urgency of addressing this vulnerability in their patch management processes. The CVSS score and inclusion in the KEV catalog underscore the need for immediate action to prevent potential exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | Yes |
Ransomware Use | No |
Affected Versions
The following firmware versions are affected by CVE-2026-21385: sm7675p_firmware, sm8475p_firmware, sm8550p_firmware, sm8635_firmware, sm8635p_firmware, sm8650q_firmware, sm8750p_firmware, and several others as detailed in the CVE documentation.
Mitigation & Remediation
Organizations should apply the patches provided by Qualcomm for the affected firmware versions as outlined in the vendor's advisory. It is crucial to follow the guidance provided for mitigating this vulnerability, especially in environments where these chipsets are deployed.
For additional insights on securing your systems, organizations may consider leveraging penetration testing services.
Detection Guidance
To detect potential exploitation of CVE-2026-21385, organizations should monitor logs for abnormal memory allocation patterns and verify the integrity of memory allocations within the affected systems.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2026-21385 is profound, as it highlights the ongoing vulnerabilities present in critical chipsets used across various devices. This vulnerability serves as a reminder for organizations to maintain vigilance in vulnerability management practices.
Security teams must learn from this incident, ensuring robust testing and validation processes are in place to reduce the risk of similar vulnerabilities in the future. For further reading on vulnerability management best practices, consider exploring our vulnerability management program design guide.
Additionally, organizations should review their incident response and security posture in light of this vulnerability to ensure preparedness against future threats.
For ongoing updates and insights into vulnerabilities, organizations can follow our blog for the latest trends and guidance on securing their environments.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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