CVE-2025-33071 HIGH

CVE-2025-33071: Windows KDC Proxy Service (KPSSVC) Remote Code Execution Vulnerability

Vendor Microsoft
Product Windows Server 2012
Weakness CWE-416
Published June 10, 2025
Last update February 26, 2026

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.

Key dates

02Disclosure timeline

June 10, 2025 CVE published
February 26, 2026 Record updated