7.8
High
Exploited
CVE-2025-62221 Microsoft Windows Use After Free Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Ransomware campaigns
Not observed so far
Weakness
CWE-416
Description
Use after free 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 1809 10.0 | 10.0.17763.0 → < 10.0.17763.8146 | 10.0.17763.8146 |
| Windows 10 Version 21H2 10.0 | 10.0.19044.0 → < 10.0.19044.6691 | 10.0.19044.6691 |
| Windows 10 Version 22H2 10.0 | 10.0.19045.0 → < 10.0.19045.6691 | 10.0.19045.6691 |
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.7462 | 10.0.26100.7462 |
| Windows 11 Version 25H2 10.0 | 10.0.26200.0 → < 10.0.26200.7462 | 10.0.26200.7462 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.4529 | 10.0.20348.4529 |
| Windows 11 Version 23H2 10.0 | 10.0.22631.0 → < 10.0.22631.6345 | 10.0.22631.6345 |
| Windows Server 2022, 23H2 Edition (Server Core installation) 10.0 | 10.0.25398.0 → < 10.0.25398.2025 | 10.0.25398.2025 |
| Windows 11 version 22H3 10.0 | 10.0.22631.0 → < 10.0.22631.6345 | 10.0.22631.6345 |
Show the 4 other branches Hide the 4 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 11 Version 24H2 10.0 | 10.0.26100.0 → < 10.0.26100.7462 | 10.0.26100.7462 |
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.7462 | 10.0.26100.7462 |
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.8146 | 10.0.17763.8146 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.8146 | 10.0.17763.8146 |
References
- Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability msrc.microsoft.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
Other CVEs of Windows 10 Version 1809
The 5349 CVEs of Windows 10 Version 1809 →
CVE-2026-108471
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to…
8.8
High
CVE-2026-108136
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally
7.8
High
CVE-2026-108131
No cwe for this issue in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform…
7.5
High
CVE-2026-108129
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network
6.5
Medium