Cyber Resilience

CVE-2025-27741

High

Published: 08 April 2025

Published
08 April 2025
Modified
10 July 2025
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0162 82.3th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-27741 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-2025-27741 is an out-of-bounds read vulnerability, tracked under CWE-125, that affects the NTFS component of Windows. The flaw carries a CVSS 3.1 score of 7.8 and permits an attacker to read memory beyond intended bounds, which can be leveraged to corrupt or disclose sensitive kernel data structures.

An unauthorized local attacker can trigger the issue by supplying a malicious file or disk image that a user opens or mounts, satisfying the UI:R requirement in the CVSS vector. Successful exploitation grants the attacker local elevation of privileges with high impact to confidentiality, integrity, and availability, all without needing prior credentials on the target system.

Microsoft has published an advisory for CVE-2025-27741 at the referenced MSRC URL that addresses remediation steps. The associated EPSS score remains low and unchanged at 0.0162, indicating no material increase in observed exploitation interest since disclosure.

EU & UK References

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

microsoft
windows 10 1507
≤ 10.0.10240.20978 · ≤ 10.0.10240.20978
microsoft
windows 10 1607
≤ 10.0.14393.7969 · ≤ 10.0.14393.7969
microsoft
windows 10 1809
≤ 10.0.17763.7136 · ≤ 10.0.17763.7136
microsoft
windows server 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
microsoft
windows server 2016
≤ 10.0.14393.7969
microsoft
windows server 2019
≤ 10.0.17763.7136

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References