CVE Database
/

CVE-2025-33071

Back to search

CVE-2025-33071

Published: Jun 10, 2025

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

8.1

HIGH

Description

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

VendorProductVersions

Microsoft

Windows Server 2012

affected
6.2.9200.0 - < 6.2.9200.25522

Microsoft

Windows Server 2012 (Server Core installation)

affected
6.2.9200.0 - < 6.2.9200.25522

Microsoft

Windows Server 2012 R2

affected
6.3.9600.0 - < 6.3.9600.22620

Microsoft

Windows Server 2012 R2 (Server Core installation)

affected
6.3.9600.0 - < 6.3.9600.22620

Microsoft

Windows Server 2016

affected
10.0.14393.0 - < 10.0.14393.8148

Microsoft

Windows Server 2016 (Server Core installation)

affected
10.0.14393.0 - < 10.0.14393.8148

Microsoft

Windows Server 2019

affected
10.0.17763.0 - < 10.0.17763.7434

Microsoft

Windows Server 2019 (Server Core installation)

affected
10.0.17763.0 - < 10.0.17763.7434

Microsoft

Windows Server 2022

affected
10.0.20348.0 - < 10.0.20348.3807

Microsoft

Windows Server 2022, 23H2 Edition (Server Core installation)

affected
10.0.25398.0 - < 10.0.25398.1665

Microsoft

Windows Server 2025

affected
10.0.26100.0 - < 10.0.26100.4349

Microsoft

Windows Server 2025 (Server Core installation)

affected
10.0.26100.0 - < 10.0.26100.4349

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now