7.8
High
CVE-2026-20940 Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges…
Description
Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 22H2 10.0 | 10.0.19045.0 → < 10.0.19045.6809 | 10.0.19045.6809 |
| Windows 11 version 22H3 10.0 | 10.0.22631.0 → < 10.0.22631.6491 | 10.0.22631.6491 |
| Windows 11 Version 23H2 10.0 | 10.0.22631.0 → < 10.0.22631.6491 | 10.0.22631.6491 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.8276 | 10.0.17763.8276 |
| Windows 10 Version 21H2 10.0 | 10.0.19044.0 → < 10.0.19044.6809 | 10.0.19044.6809 |
| Windows Server 2016 10.0 | 10.0.14393.0 → < 10.0.14393.8783 | 10.0.14393.8783 |
| Windows 10 Version 1607 10.0 | 10.0.14393.0 → < 10.0.14393.8783 | 10.0.14393.8783 |
| Windows Server 2008 Service Pack 2 (Server Core installation) 6.0 | 6.0.6003.0 → < 6.0.6003.23717 | 6.0.6003.23717 |
| Windows Server 2008 Service Pack 2 6.0 | 6.0.6003.0 → < 6.0.6003.23717 | 6.0.6003.23717 |
Show the 10 other branches Hide the 10 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.14393.0 → < 10.0.14393.8783 | 10.0.14393.8783 |
| Windows Server 2008 R2 Service Pack 1 6.1 | 6.1.7601.0 → < 6.1.7601.28117 | 6.1.7601.28117 |
| Windows Server 2012 R2 (Server Core installation) 6.3 | 6.3.9600.0 → < 6.3.9600.22968 | 6.3.9600.22968 |
| Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1 | 6.1.7601.0 → < 6.1.7601.28117 | 6.1.7601.28117 |
| Windows Server 2012 R2 6.3 | 6.3.9600.0 → < 6.3.9600.22968 | 6.3.9600.22968 |
| Windows Server 2012 (Server Core installation) 6.2 | 6.2.9200.0 → < 6.2.9200.25868 | 6.2.9200.25868 |
| Windows Server 2012 6.2 | 6.2.9200.0 → < 6.2.9200.25868 | 6.2.9200.25868 |
| Windows 10 Version 1809 10.0 | 10.0.17763.0 → < 10.0.17763.8276 | 10.0.17763.8276 |
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.8276 | 10.0.17763.8276 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.4648 | 10.0.20348.4648 |
References
- Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
Other CVEs of Windows 10 Version 22H2
The 4041 CVEs of Windows 10 Version 22H2 →
CVE-2026-108136
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally
7.8
High
CVE-2026-108135
Improper link resolution before file access ('link following') in Windows Backup Engine allows an authorized attacker to…
7.0
High
CVE-2026-108129
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network
6.5
Medium
CVE-2026-108131
No cwe for this issue in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform…
7.5
High