CVE-2025-27741: Microsoft NTFS Elevation of Privilege Vulnerability
This Microsoft advisory covers CVE-2025-27741 in Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2008 Service Pack 2 (Server Core installation) and Windows Server 2012 (Server Core installation).
- CVE-2025-27741
Key facts
- Vendor rating
- High, CVSS 7.8
- CISA KEV
- Not listed (catalogue checked )
- Affected
- Windows 10 Version 1507 10.0.10240.0 before 10.0.10240.20978; Windows 10 Version 1607 10.0.14393.0 before 10.0.14393.7969; Windows 10 Version 1809 10.0.17763.0 before 10.0.17763.7136 and 9 more below
- Fixed in
- 10.0.10240.20978, 10.0.14393.7969, 10.0.17763.7136 and 4 more below
- Source published
- Source revised
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.
Affected products named by the advisory: Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2; Windows Server 2008 Service Pack 2 (Server Core installation); and 8 more.
Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation).
Text from the source record.
- Windows 10 Version 1507 10.0.10240.0 before 10.0.10240.20978
- Windows 10 Version 1607 10.0.14393.0 before 10.0.14393.7969
- Windows 10 Version 1809 10.0.17763.0 before 10.0.17763.7136
- Windows Server 2008 R2 Service Pack 1 6.1.7601.0 before 6.1.7601.27670
- Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 before 6.1.7601.27670
- Windows Server 2008 Service Pack 2 6.0.6003.0 before 6.0.6003.23220
- Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 before 6.0.6003.23220
- Windows Server 2012 6.2.9200.0 before 6.2.9200.25423
- Windows Server 2012 (Server Core installation) 6.2.9200.0 before 6.2.9200.25423
- Windows Server 2012 R2 6.3.9600.0 before 6.3.9600.22523
- Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 before 6.3.9600.22523
- Windows Server 2016 10.0.14393.0 before 10.0.14393.7969
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2025-27741
Upgrade to a fixed release named by Microsoft:
- 10.0.10240.20978
- 10.0.14393.7969
- 10.0.17763.7136
- 6.1.7601.27670
- 6.0.6003.23220
- 6.2.9200.25423
- 6.3.9600.22523
End-of-life dates for Windows Server
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