PT-2026-88027 · Microsoft · Windows+10

CVE-2026-78523

·

Published

2026-09-08

·

Updated

2026-09-08

CVSS v3.1

5.9

Medium

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Use after free in Windows DNS allows an unauthorized attacker to deny service over a network.

Fix

DoS

Use After Free

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Weakness Enumeration

Related Identifiers

CVE-2026-78523

Affected Products

Windows
Windows 10 Version 1607
Windows 10 Version 1809
Windows Server 2012
Windows Server 2012 R2
Windows Server 2016
Windows Server 2019
Windows Server 2022
Windows Server 2025
Windows 10 1607
Windows 10 1809