CVE-2025-21271 — Buffer Over-read in Microsoft Windows 10 Version 1809

CWE-126 — Buffer Over-read4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.3%
top 48.79%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
18
Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2Microsoft Windows 10 Version 22h2+15 more
Timeline
PublishedJan 14

Description

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

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 Packages19 packages

▶NVDmicrosoft/windows< 10.0.17763.6775+1
▶NVDmicrosoft/windows_10_1809< 10.0.17763.6775
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.5371
▶NVDmicrosoft/windows_10_22h2< 10.0.19045.5371
▶CVEListV5microsoft/windows_server_201910.0.17763.0 — 10.0.17763.6775

Patches

Patch: msrc.microsoft.com ↗

🔴Vulnerability Details

1
GHSA
GHSA-3fqg-54mc-wmg3: Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability↗2025-01-14
▶

📋Vendor Advisories

1
Microsoft
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability↗2025-01-14
▶

🕵️Threat Intelligence

1
Bleepingcomputer
Microsoft January 2025 Patch Tuesday fixes 8 zero-days, 159 flaws↗2025-01-14
▶
CVE-2025-21271 — Buffer Over-read in Microsoft | cvebase