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Vulnerabilities & PatchesEmerging1 sourceAug 11, 2026 · 05:00via Zero Day Initiative (Published)

ZDI-26-540: (Pwn2Own) Microsoft Windows win32kfull Use-After-Free Information Disclosure Vulnerability

Brief

This vulnerability allows local attackers to disclose sensitive information on affected installations of Microsoft Windows. 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 6.

  • The following CVEs are assigned: CVE-2026-65776.
Read more on Zero Day Initiative (Published)