CVE-2023-29336: Win32k Elevation of Privilege Vulnerability

Published May 9, 2023
·
Updated

Win32k Elevation of Privilege Vulnerability

Other sources

Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation up to SYSTEM privileges.

CISA

Affected Software

40 affected componentsFixes available
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Microsoft Windows Server 2012
Microsoft Windows Server 2012
Microsoft Windows Server 2008
Microsoft Windows Server 2008
Microsoft Windows Server 2008
Microsoft Windows Server 2008
Microsoft Windows 10 1507<10.0.10240.19926
Microsoft Windows 10 1607<10.0.14393.5921
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Win32k
Microsoft Windows 10=1607
Microsoft Windows 10=1607
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2008 R2<6.1.7601.26519
6.1.7601.26519
Microsoft Windows Server 2012<6.2.9200.24266
6.2.9200.24266
Microsoft Windows Server 2008 R2<6.1.7601.26519
6.1.7601.26519
Microsoft Windows Server 2012 R2<6.3.9600.20969
6.3.9600.20969
Microsoft Windows Server 2012 R2<6.3.9600.20969
6.3.9600.20969
Microsoft Windows Server 2012<6.2.9200.24266
6.2.9200.24266
Microsoft Windows Server 2008<6.0.6003.22070
6.0.6003.22070
Microsoft Windows Server 2008<6.0.6003.22070
6.0.6003.22070
Microsoft Windows Server 2008<6.0.6003.22070
6.0.6003.22070
Microsoft Windows Server 2008<6.0.6003.22070
6.0.6003.22070
Microsoft Windows Server 2016<10.0.14393.5921
10.0.14393.5921
Microsoft Windows 10=1607
10.0.14393.5921
Microsoft Windows Server 2016<10.0.14393.5921
10.0.14393.5921
Microsoft Windows 10<10.0.10240.19926
10.0.10240.19926
Microsoft Windows 10<10.0.10240.19926
10.0.10240.19926
Microsoft Windows 10=1607
10.0.14393.5921

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.1.7601.26519Patch KB5026426
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.2.9200.24266Patch KB5026411
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.3.9600.20969Patch KB5026409
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.0.6003.22070Patch KB5026427
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.14393.5921Patch KB5026363
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.10240.19926Patch KB5026382

Event History

May 9, 2023
CVE Published
via CISA·12:00 AM
Known Exploited
via CISA·12:00 AM
Data Sourced
07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Description
CVE Published
via MITRE·05:03 PM
Data Sourced
via MITRE·05:03 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
May 25, 2025
Exploit Published
12:00 AM
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Frequently Asked Questions

1

What is the severity of CVE-2023-29336?

CVE-2023-29336 has a high severity rating as it allows for privilege escalation up to SYSTEM privileges.

2

How do I fix CVE-2023-29336?

To fix CVE-2023-29336, apply the latest security updates provided by Microsoft for the affected Windows versions.

3

Which versions of Windows are affected by CVE-2023-29336?

CVE-2023-29336 affects multiple versions of Windows including Windows 10, Windows Server 2008 R2, Windows Server 2012, and Windows Server 2016.

4

What types of attacks can CVE-2023-29336 enable?

CVE-2023-29336 can enable attackers to escalate privileges, potentially giving them unauthorized access to system resources.

5

Is there a patch available for CVE-2023-29336?

Yes, Microsoft has released patches for CVE-2023-29336 that must be installed to mitigate the vulnerability.

Contact

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