CVE-2026-72989 HIGH

CVE-2026-72989: Windows Failover Cluster Information Disclosure Vulnerability

Vendor Microsoft
Product Windows 10 Version 1809
Weakness CWE-908
Published September 8, 2026
Last update September 29, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Use of uninitialized resource in Windows Failover Cluster allows an unauthorized attacker to disclose information over a network.

Key dates

02Disclosure timeline

September 8, 2026 CVE published
September 29, 2026 Record updated