CVE-2026-72928: Windows DNS Server Remote Code Execution Vulnerability

Overview

Severity

High (CVSS 7.5)

CVSS Vector

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

Category

Remote Code Execution

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2026-Sep

Released

2026-09-08

Description

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

FAQ

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to win a race condition.

Affected Products (2)

Windows

• Windows Server 2025 (Server Core installation)
• Windows Server 2025

Security Updates (1)

• 5122871

Acknowledgments

<a href="https://x.com/dark_puzzle">Souhail Hammou</a>

Revision History

• 2026-09-08: Information published.