ZDI-26-477: (Pwn2Own) Sony XAV-9500ES Crash Dump Handler Command Injection Local Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of Sony XAV-9500ES devices. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18284.
AI Analysis
Technical Summary
CVE-2026-18284 is a local privilege escalation vulnerability in the Sony XAV-9500ES caused by improper validation of a user-supplied string used in a system call within the crash dump handler. Exploitation requires prior execution of low-privileged code on the device. Successful exploitation allows arbitrary code execution with root privileges. Sony has issued a patch to fix this vulnerability.
Potential Impact
An attacker who can run low-privileged code on the affected Sony XAV-9500ES device can escalate their privileges to root, potentially gaining full control over the device. This can lead to complete compromise of the system's confidentiality, integrity, and availability.
Mitigation Recommendations
Sony has released an official update to correct this vulnerability. Users of the Sony XAV-9500ES device should apply the provided update from Sony's support site to remediate this issue.
ZDI-26-477: (Pwn2Own) Sony XAV-9500ES Crash Dump Handler Command Injection Local Privilege Escalation Vulnerability
Description
This vulnerability allows local attackers to escalate privileges on affected installations of Sony XAV-9500ES devices. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18284.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18284 is a local privilege escalation vulnerability in the Sony XAV-9500ES caused by improper validation of a user-supplied string used in a system call within the crash dump handler. Exploitation requires prior execution of low-privileged code on the device. Successful exploitation allows arbitrary code execution with root privileges. Sony has issued a patch to fix this vulnerability.
Potential Impact
An attacker who can run low-privileged code on the affected Sony XAV-9500ES device can escalate their privileges to root, potentially gaining full control over the device. This can lead to complete compromise of the system's confidentiality, integrity, and availability.
Mitigation Recommendations
Sony has released an official update to correct this vulnerability. Users of the Sony XAV-9500ES device should apply the provided update from Sony's support site to remediate this issue.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-477/","fetched":true,"fetchedAt":"2026-07-30T15:56:11.454Z","wordCount":209}
Threat ID: 6a6b74c59c2644c7f84cc2be
Added to database: 07/30/2026, 15:59:01 UTC
Last enriched: 07/30/2026, 16:06:22 UTC
Last updated: 07/31/2026, 15:09:50 UTC
Views: 11
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