Nov 2022: Windows CNG Key Isolation Service Elevation of Privilege Vulnerability
CVE-2022-41125 Published on November 9, 2022

Windows CNG Key Isolation Service Elevation of Privilege Vulnerability
Windows CNG Key Isolation Service Elevation of Privilege Vulnerability

Vendor Advisory NVD

Known Exploited Vulnerability

This Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an unspecified vulnerability which allows an attacker to gain SYSTEM-level privileges.

The following remediation steps are recommended / required by November 29, 2022: Apply updates per vendor instructions.

Weakness Type

What is a Memory Corruption Vulnerability?

The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.

CVE-2022-41125 has been classified to as a Memory Corruption vulnerability or weakness.

Products Associated with CVE-2022-41125

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Microsoft Windows Server 2012

Microsoft Windows 10

Microsoft Windows 8.1

Microsoft Windows Server 2016

Microsoft Windows Server 2019

Microsoft Windows 11

Microsoft Windows 7

Microsoft Windows Server 2022

Microsoft Windows 10 21h1

Microsoft Windows 10 1507

Microsoft Windows Server 2012 R2

Affected Versions

Microsoft Windows 10 Version 1809:

Version 10.0.17763.0 and below 10.0.17763.3650 is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.0 and below 10.0.17763.3650 is affected.

Microsoft Windows Server 2019:

Version 10.0.17763.0 and below 10.0.17763.3650 is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.17763.0 and below 10.0.17763.3650 is affected.

Microsoft Windows 10 Version 21H1:

Version 10.0.0 and below 10.0.19043.2251 is affected.

Microsoft Windows Server 2022:

Version 10.0.20348.0 and below 10.0.20348.1249 is affected.

Microsoft Windows 10 Version 20H2:

Version 10.0.0 and below 10.0.19042.2251 is affected.

Microsoft Windows 11 version 21H2:

Version 10.0.0 and below 10.0.22000.1219 is affected.

Microsoft Windows 10 Version 21H2:

Version 10.0.19043.0 and below 10.0.19044.2251 is affected.

Microsoft Windows 11 version 22H2:

Version 10.0.22621.0 and below 10.0.22621.819 is affected.

Microsoft Windows 10 Version 22H2:

Version 10.0.19045.0 and below 10.0.19045.2251 is affected.

Microsoft Windows 10 Version 1507:

Version 10.0.10240.0 and below 10.0.10240.19567 is affected.

Microsoft Windows 10 Version 1607:

Version 10.0.14393.0 and below 10.0.14393.5501 is affected.

Microsoft Windows Server 2016:

Version 10.0.14393.0 and below 10.0.14393.5501 is affected.

Microsoft Windows Server 2016 (Server Core installation):

Version 10.0.14393.0 and below 10.0.14393.5501 is affected.

Microsoft Windows 8.1:

Version 6.3.0 and below 6.3.9600.20671 is affected.

Microsoft Windows Server 2012:

Version 6.2.9200.0 and below 6.2.9200.23968 is affected.

Microsoft Windows Server 2012 (Server Core installation):

Version 6.2.9200.0 and below 6.2.9200.23968 is affected.

Microsoft Windows Server 2012 R2:

Version 6.3.9600.0 and below 6.3.9600.20671 is affected.

Microsoft Windows Server 2012 R2 (Server Core installation):

Version 6.3.9600.0 and below 6.3.9600.20671 is affected.

Exploit Probability

EPSS

0.71%

Percentile

71.87%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.