平台
macos
组件
vienna-assistant
修复版本
1.2.543
CVE-2026-24068 describes a Privilege Escalation vulnerability affecting Vienna Assistant versions 1.2.542–1.2.542 on macOS. This flaw stems from inadequate client validation within the Vienna Assistant's NSXPC Inter-Process Communication (IPC) mechanism, allowing malicious processes to bypass security controls. Successful exploitation could lead to unauthorized file modifications and system compromise. A patch is expected to address this issue.
The core of this vulnerability lies in the improper validation of clients attempting to connect to the Vienna Assistant's privileged helper via NSXPC. Because the shouldAcceptNewConnection function fails to verify client identity, any process on the system can establish a connection and invoke functions defined in the HelperToolProtocol. Critically, the writeReceiptFile and runUninstaller functions within this protocol lack any validation, allowing an attacker to arbitrarily write files and potentially execute the uninstaller, leading to complete system control. This vulnerability is particularly concerning given the potential for remote code execution if the uninstaller process is exploited.
CVE-2026-24068 was publicly disclosed on 2026-03-26. The vulnerability's exploitation context is currently unclear; no public proof-of-concept (PoC) code has been released. Its inclusion in the CVE database suggests a potential for exploitation, though the EPSS score is pending evaluation. Monitor security advisories and threat intelligence feeds for updates on potential exploitation campaigns.
Users of Vienna Assistant version 1.2.542 on macOS are at direct risk. Specifically, users who have granted Vienna Assistant elevated privileges or who operate in environments with limited access controls are particularly vulnerable. Shared macOS systems or those with weak user account controls increase the potential for exploitation.
• macos: Use lsof to identify processes connected to the Vienna Assistant's NSXPC service.
lsof -p $(pgrep ViennaAssistant)• macos: Monitor system logs (Console.app) for errors or warnings related to NSXPC connections or file write attempts by the Vienna Assistant.
• macos: Use Get-Process in PowerShell to identify any unexpected processes interacting with the Vienna Assistant.
Get-Process -Name ViennaAssistant | Select-Object ProcessName, Id, CPU, WorkingSet• macos: Check for unusual files written to locations accessible by the Vienna Assistant, particularly those related to receipts or uninstallers.
disclosure
漏洞利用状态
EPSS
0.04% (13% 百分位)
The primary mitigation for CVE-2026-24068 is to upgrade Vienna Assistant to a patched version as soon as it becomes available. Until a patch is released, consider implementing temporary workarounds. While a direct workaround is difficult without modifying the Vienna Assistant's code, restricting network access to the Vienna Assistant process using macOS's firewall can limit the attack surface. Monitor system logs for unusual activity related to the Vienna Assistant process, specifically looking for unexpected file writes or uninstaller executions. After upgrade, confirm functionality by verifying that Vienna Assistant operates as expected and that no unauthorized processes can connect to its IPC service.
将维也纳助手更新到 1.2.542 或更高版本。这将解决 XPC 和 NSXPC 客户端验证缺失的问题，从而防止权限提升。
漏洞分析和关键警报直接发送到您的邮箱。
CVE-2026-24068 is a vulnerability in Vienna Assistant versions 1.2.542–1.2.542 for macOS that allows unauthorized processes to escalate privileges due to inadequate client validation in its NSXPC IPC mechanism.
If you are using Vienna Assistant version 1.2.542 on macOS, you are potentially affected by this vulnerability. Upgrade to a patched version as soon as it becomes available.
The recommended fix is to upgrade Vienna Assistant to a patched version. Until a patch is released, consider restricting network access to the Vienna Assistant process using macOS's firewall.
Currently, there is no confirmed active exploitation of CVE-2026-24068, but the vulnerability has been publicly disclosed and should be addressed proactively.
Refer to the official Vienna Assistant website or security mailing list for the latest advisory regarding CVE-2026-24068.