CVE-2024-26222: Windows DNS Server Remote Code Execution Vulnerability

Overview

Severity

High (CVSS 7.2)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/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

2024-Apr

Released

2024-04-09

EPSS Score

3.61% (percentile: 87.8%)

FAQ

How could an attacker exploit this vulnerability? In a network-based attack an attacker would need to have the privileges to query the Domain Name Service (DNS). If the timing of DNS queries is perfect, the attacker could execute code remotely on the target server.

Affected Products (7)

Windows

• Windows Server 2019
• Windows Server 2019 (Server Core installation)
• Windows Server 2022
• Windows Server 2022 (Server Core installation)
• Windows Server 2022, 23H2 Edition (Server Core installation)
• Windows Server 2016
• Windows Server 2016 (Server Core installation)

Security Updates (4)

• 5036896
• 5036909
• 5036910
• 5036899

Acknowledgments

Rajesh Kumar with Microsoft

Revision History

• 2024-04-09: Information published.