PT-2025-50156 · Microsoft · Windows Cloud Files Mini Filter Driver+1

Published 2025-12-09 · Updated 2025-12-14 · CVE-2025-62454

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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 privileges. The vulnerability allows attackers to affect the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2025-15524

CVE-2025-62454

Affected Products

Windows

Windows Cloud Files Mini Filter Driver

References · 11

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62454 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-62454 · Security Note
• https://osv.dev/vulnerability/CVE-2025-62454 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-62454 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-62454 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-15524 · Security Note
• https://twitter.com/paraAax/status/1999582772755681396 · Twitter Post
• https://t.me/avleonovcom/1612 · Telegram Post
• https://reddit.com/r/cybersecurity/comments/1pj0lvw/cve202562221_december_2025_patch_tuesday_57 · Reddit Post
• https://twitter.com/SecQube/status/2000171698788638881 · Twitter Post
• https://twitter.com/CVEnew/status/1998781381837500732 · Twitter Post