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8.1
HIGH CVSS 3.1
CVE-2025-33071
Windows KDC Proxy Service KPSSVC Use-After-Free Remote Code Execution Vulnerability
Description

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

INFO

Published Date :

June 10, 2025, 5:22 p.m.

Last Modified :

July 8, 2025, 3:03 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-33071 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft windows_server_2012
2 Microsoft windows_server_2016
3 Microsoft windows_server_2019
4 Microsoft windows_server_2022
5 Microsoft windows_server_2022_23h2
6 Microsoft windows_server_23h2
7 Microsoft windows_server_2012_r2
8 Microsoft windows_server_2025
: Total Affected Vendor : 1 | Products : 8
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
A use-after-free vulnerability in the Windows KDC Proxy Service (KPSSVC) allows for remote code execution; applying the latest security updates is recommended.
  • Apply the latest security updates.
  • Reboot the system if prompted.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-33071.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33071 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-33071 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-33071 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-33071 vulnerability anywhere in the article.

  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jul 04, 2025 (1 month, 2 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jul 03, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jul 03, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jul 03, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jul 02, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jul 02, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jul 02, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jul 02, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jul 01, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jul 01, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jul 01, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jul 01, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jun 30, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jun 30, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jun 30, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jun 30, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jun 30, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jun 30, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jun 29, 2025 (1 month, 3 weeks ago)
  • CrowdStrike.com
June 2025 Patch Tuesday: One Zero-Day and Nine Critical Vulnerabilities Among 66 CVEs

Microsoft has addressed 66 vulnerabilities in its June 2025 security update release. This month's patches include fixes for one actively exploited zero-day vulnerability and nine Critical vulnerabilit ... Read more

Published Date: Jun 28, 2025 (1 month, 3 weeks ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-33071 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jul. 08, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.14393.8148 *cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.17763.7434 *cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.20348.3745 *cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.25398.1665 *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.4270
    Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33071 Types: Vendor Advisory
  • New CVE Received by [email protected]

    Jun. 10, 2025

    Action Type Old Value New Value
    Added Description Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-416
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33071
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact