CVE-2023-36397 CRITICAL

CVE-2023-36397: Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability

Vendor Microsoft
Product Windows 10 Version 1809
Weakness CWE-126
Published November 14, 2023
Last update October 8, 2025

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability

Key dates

02Disclosure timeline

November 14, 2023 CVE published
October 8, 2025 Record updated