PT-2026-58665 · Microsoft · Windows 10 Version 21H2+6

Published 2026-07-14 · Updated 2026-07-14 · CVE-2026-58626

NVD

CVSS v3.1

8.8

High

Base vector

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

Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2026-58626

Affected Products

Windows 10 Version 21H2

Windows 10 Version 22H2

Windows 11 Version 24H2

Windows 11 Version 25H2

Windows 11 Version 26H1

Windows Server 2022

Windows Server 2025

References · 2

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58626 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-58626 · Security Note