PT-2026-88142 · Microsoft · Windows+14

CVE-2026-83997

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Published

2026-09-08

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Updated

2026-09-09

CVSS v3.1

8.1

High

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
A new vulnerability with increased severity was disclosed for Microsoft Windows (CVE-2026-83997) https://t.co/Di6uxnlzNX

Fix

RCE

Use After Free

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Weakness Enumeration

CWE-416

Related Identifiers

CVE-2026-83997

Affected Products

Windows
Windows 10 Version 21H2
Windows 10 Version 22H2
Windows 11 Version 23H2
Windows 11 Version 24H2
Windows 11 Version 25H2
Windows 11 Version 26H1
Windows Server 2022
Windows Server 2025
Windows 10 21H2
Windows 10 22H2
Windows 11 23H2
Windows 11 24H2
Windows 11 25H2
Windows 11 26H1