Out-of-bounds read in Microsoft Windows and Windows Server - CVE-2025-27483
Published: April 9, 2025
Vulnerability identifier: #VU107270
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-27483
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in NTFS. A remote attacker can trick a victim to mount a specially crafted VHD, trigger an out-of-bounds read error and read contents of memory on the system, leading to privilege escalation.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2025-27483
Install update from vendor's website.
Microsoft Windows - addressed in versions 10 1607 10.0.14393.7970, 10 1809 10.0.17763.7137
Windows Server - addressed in versions 2012 R2 6.3.9600.22523, 2016 10.0.14393.7970, 2019 10.0.17763.7137
Windows Server - addressed in versions 2012 R2 6.3.9600.22523, 2016 10.0.14393.7970, 2019 10.0.17763.7137