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Windows DWM Core Library

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high advisory

Microsoft Security Updates — July 2026

Roundup of Microsoft security advisories published in July 2026.

PoC PowerShell +516 roundup
10c 227i updated
high advisory

CVE-2026-42896 - Windows DWM Core Library Integer Overflow Privilege Escalation

CVE-2026-42896 describes an integer overflow vulnerability in the Windows DWM Core Library, allowing an authorized local attacker to elevate privileges.

Windows DWM Core Library privilege-escalation integer-overflow windows
2r 1t 1c