CVE-2025-53796: 
vulnerability analysis and mitigation

A buffer over-read vulnerability (CVE-2025-53796) was discovered in Windows Routing and Remote Access Service (RRAS). This vulnerability was disclosed on September 9, 2025, affecting multiple versions of Windows Server including Server 2008, 2012, 2016, 2019, 2022, and 2025, in both standard and Server Core installations (NVD, GBHackers).

The vulnerability is classified as an Information Disclosure issue with a CVSS v3.1 base score of 6.5 (Medium). The attack vector is Network-based (AV:N), with Low attack complexity (AC:L), requiring No privileges (PR:N) but needs User interaction (UI:R). The scope is Unchanged (S:U), with High impact on Confidentiality (C:H) but No impact on Integrity (I:N) and Availability (A:N). The vulnerability is identified as CWE-126 (Buffer Over-read) (NVD).

The vulnerability allows an unauthorized attacker to disclose information over a network through a buffer over-read condition in the Windows Routing and Remote Access Service (NVD, AttackerKB).

Microsoft has released security updates as part of the September 2025 Patch Tuesday to address this vulnerability. System administrators are advised to apply the relevant security updates promptly (GBHackers).