PT-2026-47930 · Microsoft · Windows 11 Version 26H1

Published 2026-06-09 · Updated 2026-06-09 · CVE-2026-44814

NVD

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.

Fix

Heap Based Buffer Overflow

Out of bounds Read

Weakness Enumeration

CWE-122

CWE-125

Related Identifiers

CVE-2026-44814

Affected Products

Windows 11 Version 26H1

References · 2

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44814 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-44814 · Security Note