cve-2026-34336

About this tag
CVE-2026-34336 is a Windows DWM Core Library information disclosure vulnerability addressed in Microsoft's May 12, 2026 security update. The flaw is local and resides in the desktop composition stack, a central user-session component. While not a remote-code-execution vulnerability, information disclosure flaws like this can be critical in exploit chains, where a memory leak may enable further compromise. Discussions on WindowsForum.com cover the technical details, risk assessment, and patching guidance for this CVE, emphasizing that even non-RCE vulnerabilities require prompt attention to maintain system security.

  1. Patch Tuesday May 12, 2026: CVE-2026-34336 DWM Local Info Disclosure Risks

    Microsoft’s May 12, 2026 security update cycle includes CVE-2026-34336, a Windows DWM Core Library information disclosure vulnerability that Microsoft describes as a confirmed local flaw in the desktop composition stack. The bug is not the kind of remote-code-execution siren that empties patch...
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    • cve-2026-34336 desktop window manager information disclosure windows security updates
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    • Forum: Security Alerts