CVE-2025-49669 is a critical heap-based buffer overflow vulnerability in the Windows Routing and Remote Access Service (RRAS), affecting multiple versions of Microsoft Windows Server from 2008 through 2025. This vulnerability carries a high CVSS score of 8.8, indicating it can be exploited over the network with low attack complexity, requiring no privileges, and potentially leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation in the wild (not in KEV) and no public exploit code available, it has garnered significant community attention and media coverage, including a mention in Microsoft's July 2025 Patch Tuesday.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:* | ||
r2CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* | ||
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:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.