PT-2026-87544 · Microsoft · Windows 10 Version 1809+3

CVE-2026-69530

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Published

2026-09-08

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Updated

2026-09-08

CVSS v3.1

8.1

High

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.

Fix

Use After Free

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Weakness Enumeration

Related Identifiers

CVE-2026-69530

Affected Products

Windows 10 Version 1809
Windows Server 2019
Windows Server 2022
Windows Server 2025