Microsoft Patch Tuesday 10/12/2022 Notes

Microsoft Patch Tuesday 10/12/2022 Notes

This advisory addresses and summarizes the vulnerabilities published by Microsoft this Patch Tuesday and highlights the most notable vulnerabilities that may affect our customers.

Standing Intelligence Requirements

For the most up-to-date list of ZeroFox Threat Research’s Intelligence Requirements, please visit:

https://cloud.zerofox.com/intelligence/advisories/14956

Recommendations

Keep up to date with the most recent vulnerabilities impacting you in our Vulnerabilities tab. Contact your account manager for more information Be sure to apply patches promptly to mitigate these and other vulnerabilities.

Details

Highlights: Microsoft's Patch Tuesday update for October 2022 contained 84 vulnerabilities in total, with:

• 1 vulnerability rated as Critical
• 63 vulnerabilities rated as High
• 2 zero-day vulnerabilities, one of which is actively exploited

This month’s security updates do not contain fixes for two zero-day vulnerabilities reported publicly on September 29, 2022 (CVE-2022-41040 and CVE-2022-41082) – widely known as ProxyNotShell – which affect Microsoft's Exchange Servers. Microsoft stated that it will release updates for these two bugs when they are ready.

Most notable vulnerabilities

Microsoft has listed two zero-day vulnerabilities (CVE-2022-41033 – a Windows COM+ Event System Service elevation of privilege vulnerability and CVE-2022-41043 – a Microsoft Office information disclosure vulnerability) among the bugs fixed in the October Patch Tuesday security update. The former is being actively exploited in the wild.

CVE-2022-41033

CVE-2022-41033 (CVSS score: 7.8) is a Windows COM+ Event System Service elevation of privilege vulnerability. Microsoft Windows could allow a local authenticated attacker to gain elevated privileges on the system, because of a flaw in the COM+ Event System Service. By executing a specially-crafted program, an attacker could exploit this vulnerability to execute arbitrary code with higher privileges.

The following products are affected:

• Microsoft Windows 7 SP1 x32
• Microsoft Windows 7 SP1 x64
• Microsoft Windows Server 2012
• Microsoft Windows 8.1 x32
• Microsoft Windows 8.1 x64
• Microsoft Windows Server 2012 R2
• Microsoft Windows RT 8.1
• Microsoft Windows 10 x32
• Microsoft Windows 10 x64
• Microsoft Windows Server 2016
• Microsoft Windows Server 2019
• Microsoft Windows 10 1809 for x64-based Systems
• Microsoft Windows 10 1809 for 32-bit Systems
• Microsoft Windows 10 1809 for ARM64-based Systems
• Microsoft Windows 10 1607 for 32-bit Systems
• Microsoft Windows 10 1607 for x64-based Systems
• Microsoft Windows 10 20H2 for 32-bit Systems
• Microsoft Windows 10 20H2 for ARM64-based Systems
• Microsoft Windows 10 20H2 for x64-based Systems
• Microsoft Windows Server (Server Core installation) 2019
• Microsoft Windows Server (Server Core installation) 2016
• Microsoft Windows Server (Server Core installation) 2012 R2
• Microsoft Windows Server (Server Core installation) 2012
• Microsoft Windows Server for X64-based systems 2008 R2 SP1
• Microsoft Windows Server for X64-based systems (Server Core installation) 2008 SP2
• Microsoft Windows Server for 32-bit systems (Server Core installation) 2008 SP2
• Microsoft Windows Server for 32-bit systems 2008 SP2
• Microsoft Windows Server for X64-based systems (Server Core installation) 2008 R2 SP1
• Microsoft Windows 10 21H1 for 32-bit Systems
• Microsoft Windows 10 21H1 for ARM64-based Systems
• Microsoft Windows 10 21H1 for x64-based Systems
• Microsoft Windows Server 2022
• Microsoft Windows Server (Server Core installation) 2022
• Microsoft Windows Server for X64-based systems 2008 SP2
• Microsoft Windows 11 x64
• Microsoft Windows 11 ARM64
• Microsoft Windows 10 21H2 for 32-bit Systems
• Microsoft Windows 10 21H2 for ARM64-based Systems
• Microsoft Windows 10 21H2 for x64-based Systems
• Microsoft Windows 11 22H2 for ARM64-based Systems
• Microsoft Windows 11 22H2 for x64-based Systems

CVE-2022-41043

CVE-2022-41043 (CVSS score: 3.3) is a Microsoft Office information disclosure vulnerability. Microsoft Office could allow a local authenticated attacker to obtain sensitive information. By executing a specially crafted program, an attacker could exploit this vulnerability to obtain sensitive information, and then use this information to launch further attacks against the affected system.

The following products are affected:

• Microsoft Office 2019 Mac
• Microsoft Office LTSC for Mac 2021

CVE-2022-37968

CVE-2022-37968 (CVSS score: 10) is an Azure Arc-enabled Kubernetes cluster Connect elevation of privilege vulnerability. Microsoft Azure Arc-enabled Kubernetes cluster Connect could allow a remote attacker to gain elevated privileges on the system, because of this bug. By sending a specially-crafted request, an attacker could exploit this vulnerability to gain elevated privileges on the system and potentially gain control over the Kubernetes cluster. Microsoft has stated that to exploit this vulnerability, an attacker would need to know the randomly generated DNS endpoint for an Azure Arc-enabled Kubernetes cluster.

The following product is affected:

• Microsoft Azure Arc Connected Clusters

Users should apply the latest security patches specified in Microsoft's October Patch Tuesday update and follow the recommended mitigations and workarounds to protect themselves from these and other vulnerabilities.