> ZDI-26-849: Microsoft Qlib RestrictedUnpickler Deserialization of Untrusted Data Remote Code Execution Vulnerability
[DATE: 02/11/2026 06:00]
[LANGUAGE: EN]
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Qlib. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8.