CVE-2025-33071
published 2025-06-10CVE-2025-33071: Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.
PriorityP261high8.1CVSS 3.1
AVNACHPRNUINSUCHIHAH
EPSS
16.99%
96.7th percentile
Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.
Affected
19 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.25522 | 6.2.9200.25522 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.22620 | 6.3.9600.22620 |
| microsoft | windows_server_2016 | < 10.0.14393.8148 | 10.0.14393.8148 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.8148 | 10.0.14393.8148 |
| microsoft | windows_server_2019 | < 10.0.17763.7434 | 10.0.17763.7434 |
| microsoft | windows_server_2019 | >= 10.0.17763.0 < 10.0.17763.7434 | 10.0.17763.7434 |
| microsoft | windows_server_2022 | < 10.0.20348.3745 | 10.0.20348.3745 |
| microsoft | windows_server_2022 | >= 10.0.20348.0 < 10.0.20348.3807 | 10.0.20348.3807 |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.1665 | 10.0.25398.1665 |
| microsoft | windows_server_2025 | < 10.0.26100.4270 | 10.0.26100.4270 |
| microsoft | windows_server_2025 | >= 10.0.26100.0 < 10.0.26100.4349 | 10.0.26100.4349 |
| msrc | windows_server_2012 | — | — |
| msrc | windows_server_2012_r2 | — | — |
| msrc | windows_server_2016 | — | — |
| msrc | windows_server_2019 | — | — |
| msrc | windows_server_2022 | — | — |
| msrc | windows_server_2022_23h2_edition | — | — |
| msrc | windows_server_2025 | — | — |
CVSS provenance
nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
vendor_msrc8.1HIGH
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Microsoft
Windows KDC Proxy Service (KPSSVC) Remote Code Execution Vulnerability
vendor_msrc·2025-06-10·CVSS 8.1
CVE-2025-33071 [HIGH] CWE-416 Windows KDC Proxy Service (KPSSVC) Remote Code Execution Vulnerability
Windows KDC Proxy Service (KPSSVC) Remote Code Execution Vulnerability
Description: Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.
FAQ: How could an attacker exploit this vulnerability?
An unauthenticated attacker could use a specially crafted application to leverage a cryptographic protocol vulnerability in Kerberos Key Distribution Center Proxy Service to perform remote code execution against the target.
FAQ: Are all Windows Servers affected by this vulnerability?
This vulnerability only affects Windows Servers that are configured as a [MS-KKDCP]: Kerberos Key Distribution Center (KDC) Proxy Protocol server. Domain controllers are not affected.
FAQ: According to the CVSS metric, the attack complexity is high (AC:H)
GHSA
GHSA-q86x-v28r-5px8: Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network
ghsa_unreviewed·2025-06-10
CVE-2025-33071 [HIGH] CWE-416 GHSA-q86x-v28r-5px8: Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network
Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.
No detection rules found.
No public exploits indexed.
Tenable
Microsoft’s July 2025 Patch Tuesday Addresses 128 CVEs (CVE-2025-49719)
blogs_tenable·2025-07-08·CVSS 7.5
[HIGH] Microsoft’s July 2025 Patch Tuesday Addresses 128 CVEs (CVE-2025-49719)
## Cloud Exposure
Tenable Cloud Security (CNAPP) Request a demo
Tenable Cloud Vulnerability Management Request a demo
Tenable CIEM Request a demo
Secure your cloud
## Vulnerability Exposure
Tenable Vulnerability Management Try for free
Tenable Security Center Request a demo
Tenable Web App Scanning Try for free
Tenable Patch Management Request a demo
Tenable Enclave Security Request a demo
Tenable Attack Surface Management Request a demo
Tenable Nessus Try for free
## AI Exposure
Tenable AI Exposure Request a demo
## OT/IoT Exposure
Tenable OT Security Request a demo
## Identity Exposure
Tenable Identity Exposure Request a demo
## Business needs
Active Directory
AI Security Posture Management (AI-SPM)
AWS security
Azure security
Cloud Security Posture Man
Talos
Microsoft Patch Tuesday for June 2025 — Snort rules and prominent vulnerabilities
blogs_talos·2025-06-10·CVSS 8.1
CVE-2025-32717 [HIGH] Microsoft Patch Tuesday for June 2025 — Snort rules and prominent vulnerabilities
## Microsoft Patch Tuesday for June 2025 — Snort rules and prominent vulnerabilities
Update 6/12/2025: Microsoft released an additional CVE ( CVE-2025-32717 ). Details and SIDs have been reflected to include this additional vulnerability.
Microsoft has released its monthly security update for June 2025, which includes 66 vulnerabilities affecting a range of products, including 10 that Microsoft marked as “critical.”
In this month's release, none of the included vulnerabilities have been observed by Microsoft being actively exploited in the wild. Out of eleven "critical" entries, nine are remote code execution (RCE) vulnerabilities in Microsoft Windows services and applications including Microsoft Windows Remote Desktop Service, Windows Schannel (Secure Channel), KDC Proxy service, Micro
Tenable
Microsoft’s June 2025 Patch Tuesday Addresses 65 CVEs (CVE-2025-33053)
blogs_tenable·2025-06-10·CVSS 8.8
[HIGH] Microsoft’s June 2025 Patch Tuesday Addresses 65 CVEs (CVE-2025-33053)
## Cloud Exposure
Tenable Cloud Security (CNAPP) Request a demo
Tenable Cloud Vulnerability Management Request a demo
Tenable CIEM Request a demo
Secure your cloud
## Vulnerability Exposure
Tenable Vulnerability Management Try for free
Tenable Security Center Request a demo
Tenable Web App Scanning Try for free
Tenable Patch Management Request a demo
Tenable Enclave Security Request a demo
Tenable Attack Surface Management Request a demo
Tenable Nessus Try for free
## AI Exposure
Tenable AI Exposure Request a demo
## OT/IoT Exposure
Tenable OT Security Request a demo
## Identity Exposure
Tenable Identity Exposure Request a demo
## Business needs
Active Directory
AI Security Posture Management (AI-SPM)
AWS security
Azure security
Cloud Security Posture Man
Talos
Microsoft Patch Tuesday for June 2025 — Snort rules and prominent vulnerabilities
blogs_talos·2025-06-10·CVSS 8.1
CVE-2025-32717 [HIGH] Microsoft Patch Tuesday for June 2025 — Snort rules and prominent vulnerabilities
Update 6/12/2025: Microsoft released an additional CVE (CVE-2025-32717). Details and SIDs have been reflected to include this additional vulnerability.
Microsoft has released its monthly security update for June 2025, which includes 66 vulnerabilities affecting a range of products, including 10 that Microsoft marked as “critical.”
In this month's release, none of the included vulnerabilities have been observed by Microsoft being actively exploited in the wild. Out of eleven "critical" entries, nine are remote code execution (RCE) vulnerabilities in Microsoft Windows services and applications including Microsoft Windows Remote Desktop Service, Windows Schannel (Secure Channel), KDC Proxy service, Microsoft Office, Word and SharePoint server. There are two elevation of privilege vulnerabil
Qualys
Microsoft and Adobe Patch Tuesday, June 2025 Security Update Review
blogs_qualys·2025-06-10
Microsoft and Adobe Patch Tuesday, June 2025 Security Update Review
## Table of Contents
Microsoft Patch Tuesday for June 2025
Adobe Patches for June 2025
Zero-day Vulnerabilities Patched in June Patch Tuesday Edition
Critical Severity Vulnerabilities Patched in June Patch Tuesday Edition
Other Microsoft Vulnerability Highlights
Microsoft Release Summary
Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
Rapid Response withPatch Management (PM)
Microsoft June 2025 Patch Tuesday Mitigations
Qualys Monthly Webinar Series
Microsoft’s June 2025 Patch Tuesday has landed, addressing a new batch of critical and important vulnerabilities across Windows and enterprise products. Here’s a quick breakdown of what you need to know.
## Microsoft Patch Tuesday for June 2025
In this month’s Patch Tuesday, June 2025
Qualys
Microsoft and Adobe Patch Tuesday, June 2025 Security Update Review | Qualys
blogs_qualys·2025-06-10
Microsoft and Adobe Patch Tuesday, June 2025 Security Update Review | Qualys
#### Table of Contents
- Microsoft Patch Tuesday for June 2025
- Adobe Patches for June 2025
- Zero-day Vulnerabilities Patched in June Patch Tuesday Edition
- Critical Severity Vulnerabilities Patched in June Patch Tuesday Edition
- Other Microsoft Vulnerability Highlights
- Microsoft Release Summary
- Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
- Rapid Response withPatch Management (PM)
- Microsoft June 2025 Patch Tuesday Mitigations
- Qualys Monthly Webinar Series
Microsoft’s June 2025 Patch Tuesday has landed, addressing a new batch of critical and important vulnerabilities across Windows and enterprise products. Here’s a quick breakdown of what you need to know.
## Microsoft Patch Tuesday for June 2025
In this month’s Patch Tuesd
Bleepingcomputer
Microsoft June 2025 Patch Tuesday fixes exploited zero-day, 66 flaws
blogs_bleepingcomputer·2025-06-10·CVSS 8.8
[HIGH] Microsoft June 2025 Patch Tuesday fixes exploited zero-day, 66 flaws
## Microsoft June 2025 Patch Tuesday fixes exploited zero-day, 66 flaws
## Lawrence Abrams
13 Elevation of Privilege Vulnerabilities
3 Security Feature Bypass Vulnerabilities
25 Remote Code Execution Vulnerabilities
17 Information Disclosure Vulnerabilities
6 Denial of Service Vulnerabilities
2 Spoofing Vulnerabilities
This count does not include Mariner, Microsoft Edge, and Power Automate flaws fixed earlier this month.
To learn more about the non-security updates released today, you can review our dedicated articles on the Windows 11 KB5060842 and KB5060999 cumulative updates and the Windows 10 KB5060533 cumulative update .
## Two zero-days
This month's Patch Tuesday fixes one actively exploited zero-day and one publicly disclosed vulnerability. Microsoft classifies a zero-day
Crowdstrike
June 2025 Patch Tuesday: Updates and Analysis
blogs_crowdstrike·CVSS 7.5
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2025-06-10
Published