Microsoft Patch Tuesday, December 2025 Edition

Microsoft today pushed updates to fix at least 56 security flaws in its Windows operating systems and supported software. This final Patch Tuesday of 2025 tackles one zero-day bug that is already being exploited, as well as two publicly disclosed vulnerabilities. Despite releasing a...

EUVD-2025-202200

Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally...

CVE-2025-62457

Out-of-bounds read in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally...

CVE-2025-62221

Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally...

CVE-2025-62221

Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally...

CVE-2025-62454

Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally...

CVE-2025-62221 Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

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CVE-2025-62221 Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

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CVE-2025-62221

CVE-2025-62221 is a local-elevation vulnerability in the Windows Cloud Files Mini Filter Driver (CLOUD FILES MINIFILTER DRIVER). It is a use-after-free condition in the driver that can allow an authorized local attacker to escalate to SYSTEM privileges. Public PoCs/Exploits exist (GitHub repos AB...

EUVD-2025-202253

Out-of-bounds read in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally...

CVE-2025-62457 Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

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CVE-2025-62457

CVE-2025-62457 affects the Windows Cloud Files Mini Filter Driver and is described as an out-of-bounds read that enables an authorized attacker to escalate privileges locally. The connected sources corroborate this vulnerability exists in Windows components and list the Cloud Files Mini Filter Dr...

EUVD-2025-202255

Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally...

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally...

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Out-of-bounds read in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally...

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally...

PT-2025-50156

Name of the Vulnerable Software and Affected Versions Windows Cloud Files Mini Filter Driver affected versions not specified Description A heap-based buffer overflow exists in the Windows Cloud Files Mini Filter Driver. This issue allows a locally authenticated attacker to gain elevated privilege...

PT-2025-50159

Name of the Vulnerable Software and Affected Versions Windows affected versions not specified Description An issue exists in the Windows Cloud Files Mini Filter Driver that could allow a local attacker to gain elevated privileges. The issue is an out-of-bounds read condition. This could allow an...

Microsoft Windows Cloud Files Mini Filter Driver 安全漏洞

Microsoft Windows Cloud Files Mini Filter Driver is a cloud file filter driver from Microsoft Corporation USA. A security vulnerability exists in Microsoft Windows Cloud Files Mini Filter Driver. An attacker could exploit the vulnerability to elevate privileges. The following products and version...

PT-2025-50155

Name of the Vulnerable Software and Affected Versions Microsoft Windows versions 10 and later Description A use-after-free issue exists in the Windows Cloud Files Mini Filter Driver, specifically within the cldflt.sys driver used by services such as Microsoft OneDrive. A use-after-free is a...