CVE-2026-72964

Missing authentication for critical function in Windows Internet Connection Sharing (ICS) allows an authorized attacker to perform tampering locally.

Scoring

Severity

MEDIUM

CVSS base score

5.5

CVSS vector

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

EPSS probability

0.29%

CWE

CWE-306

Published

2026-09-08

Last modified

2026-09-10

Affected products

• Microsoft Windows 10 Version 1607
• Microsoft Windows 10 Version 1809
• Microsoft Windows 10 Version 21H2
• Microsoft Windows 10 Version 22H2
• Microsoft Windows 11 version 23H2
• Microsoft Windows 11 Version 23H2
• Microsoft Windows 11 Version 24H2
• Microsoft Windows 11 Version 25H2

Weakness type

• CWE-306

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