CVE-2025-21375 — Improper Input Validation in Microsoft Windows Server 2008 R2 Service Pack 1

CWE-20 — Improper Input ValidationCWE-122 — Heap-based Buffer Overflow5 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.2%
top 62.79%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
27
Microsoft Windows 10 Version 1507Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809+24 more
Timeline
PublishedFeb 11

Description

Kernel Streaming WOW Thunk Service 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 Packages26 packages

▶CVEListV5microsoft/windows_server_2008_service_pack_26.0.6003.0 — 6.0.6003.23117
▶CVEListV5microsoft/windows_server_2008_r2_service_pack_16.1.7601.0 — 6.1.7601.27566
▶NVDmicrosoft/windows< 10.0.14393.7785+5
▶NVDmicrosoft/windows_10_1507< 10.0.10240.20915
▶NVDmicrosoft/windows_10_1607< 10.0.14393.7785

Patches

Patch: msrc.microsoft.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-pv9c-fcpr-29jv: Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability↗2025-02-11
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CVEList
Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability↗2025-02-11
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📋Vendor Advisories

1
Microsoft
Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability↗2025-02-11
▶

🕵️Threat Intelligence

1
Bleepingcomputer
Microsoft February 2025 Patch Tuesday fixes 4 zero-days, 55 flaws↗2025-02-11
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CVE-2025-21375 — Improper Input Validation in Microsoft | cvebase