HIGHCVSS 7.8Actively exploited · CISA KEV since 2022-11-08Vulnerability

CVE-2022-41125

Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an unspecified vulnerability that allows an attacker to gain SYSTEM-level privileges.

Properties

Euvd product
Windows 10 Version 20H2, Windows Server 2012 (Server Core installation), Windows Server 2016 (Server Core installation), Windows 10 Version 21H1, Windows Server 2012, Windows 10 Version 1809, Windows 11 version 21H2, Windows Server 2019, Windows 10 Version 1507, Windows Server 2019 (Server Core installation), Windows 10 Version 22H2, Windows 10 Version 1607, Windows Server 2022, Windows Server 2012 R2 (Server Core installation), Windows 10 Version 21H2, Windows Server 2012 R2, Windows 11 version 22H2, Windows Server 2016, Windows 8.1
Vulnerability name
Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability
First seen
2026-08-10T15:11:52+00:00
Cvss score
7.8
Epss score
0.03046
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-12-09
Euvd assigner
microsoft
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-11-08T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-11-08
Euvd base score version
3.1
Score
7.8
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 (19)

AFFECTS_PRODUCT (16)

→[Product]cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:rt:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Out-of-bounds Write

INVOLVES (1)

←[Signal]kev_added · 2022-11-08

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CVE-2022-41125 (CVSS 7.8) — Ninja Signal Threat Intelligence | Ninja Signal