HIGHCVSS v3.1 7.8Actively exploited · CISA KEV since 2021-11-03Vulnerability

CVE-2019-1214

Microsoft Windows Common Log File System (CLFS) driver improperly handles objects in memory which can allow for privilege escalation.

Properties

Euvd product
Windows Server, Windows, Windows Server, version 1903 (Server Core installation), Windows 10 Version 1903 for 32-bit Systems, Windows 10 Version 1903 for ARM64-based Systems, Windows 10 Version 1903 for x64-based Systems
Vulnerability name
Microsoft Windows Privilege Common Log File System (CLFS) Escalation Vulnerability
First seen
2025-10-21T23:45:31+00:00
Cvss score
7.8
Epss score
0.01419
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-05-03
Euvd assigner
microsoft
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2021-11-03T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-03
Score
7.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Microsoft
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.8

Related Entities (33 · showing 23)

AFFECTS_PRODUCT (30 · showing 20)

→[Product]cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
→[Product]cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_1803:-:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_1903:-:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x86:*
→[Product]cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x86:*
→[Product]cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*
→[Product]cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x86:*
→[Product]cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*

DESCRIBES (1)

←[KEVEntry]Microsoft Windows Privilege Common Log File System (CLFS) Escalation Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Improper Restriction of Operations within the Bounds of a Memory Buffer

INVOLVES (1)

←[Signal]kev_added · 2021-11-03

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CVE-2019-1214 (CVSS v3.1 7.8) — Ninja Signal Threat Intelligence | Ninja Signal