CVE-2025-27733
Published: 08 April 2025
Summary
CVE-2025-27733 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 17.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2025-27733 is an out-of-bounds read vulnerability, tracked under CWE-125, that affects the Windows NTFS file system component. The flaw carries a CVSS 3.1 base score of 7.8 and permits an unauthorized local attacker to elevate privileges on an affected system.
An attacker with the ability to interact with a targeted Windows system can trigger the out-of-bounds read through local access without requiring prior authentication, provided user interaction occurs. Successful exploitation results in full compromise of confidentiality, integrity, and availability on the host.
Microsoft has published an advisory for CVE-2025-27733 that includes mitigation guidance and is available at the referenced URL. The EPSS score remains flat at 0.0162 with no material increase observed since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-10152
Vulnerability details
Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.