CVE-2025-33071 is a critical use-after-free vulnerability in the Windows KDC Proxy Service (KPSSVC) affecting multiple versions of Microsoft Windows Server. This flaw allows an unauthenticated attacker to achieve remote code execution over a network with high impact on confidentiality, integrity, and availability. While the CVSS score is 8.1 (High) due to high attack complexity, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB). However, the vulnerability has garnered significant community discussion and media coverage, indicating a high level of interest.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* | ||
r2CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* | ||
< 10.0.14393.8148CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* | ||
< 10.0.17763.7434CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* | ||
< 10.0.20348.3745CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.