CVE-2025-50170 — Improper Handling of Insufficient Permissions or Privileges in Microsoft Windows 10 Version 1809

CWE-280 — Improper Handling of Insufficient Permissions or PrivilegesCWE-401 — Missing Release of Memory after Effective Lifetime6 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 74.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
17
Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2Microsoft Windows 10 Version 22h2+14 more
Timeline
PublishedAug 12

Description

Improper handling of insufficient permissions or privileges in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages17 packages

▶NVDmicrosoft/windows< 10.0.17763.7678+3
▶NVDmicrosoft/windows_10_1809< 10.0.17763.7678
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.6216
▶NVDmicrosoft/windows_10_22h2< 10.0.19045.6216
▶NVDmicrosoft/windows_11_22h2< 10.0.22621.5768

🔴Vulnerability Details

2
CVEList
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability↗2025-08-12
▶
GHSA
GHSA-9mw6-xc46-hffj: Improper handling of insufficient permissions or privileges in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privile↗2025-08-12
▶

📋Vendor Advisories

2
Microsoft
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability↗2025-08-12
▶
Microsoft
net: bcmasp: fix potential memory leak in bcmasp_xmit()↗2024-11-12
▶

🕵️Threat Intelligence

1
Bleepingcomputer
Microsoft August 2025 Patch Tuesday fixes one zero-day, 107 flaws↗2025-08-12
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CVE-2025-50170 — Microsoft vulnerability | cvebase