October 2022 Patch Tuesday is here, with fixes for 85 CVE-numbered vulnerabilities, including CVE-2022-41033, a vulnerability in Windows COM+ Event System Service that has been found being exploited in the wild.
CVE-2022-41033 is an elevation of privilege vulnerability in the Windows COM+ Event System Service, which automatically distributs events to Component Object Model components.
Microsoft’s advisory does not offer provide information on how the vulnerability is being exploited or if it is being exploited in targeted or more widespread attacks.
“All versions of Windows starting with Windows 7 and Windows Server 2008 are vulnerable. The Windows COM+ Event System Service is launched by default with the operating system and is responsible for providing notifications about logons and logoffs,” says Mike Walters, VP of Vulnerability and Threat Research at Action1.
“Installing the newly released patch is mandatory; otherwise, an attacker who is logged on to a guest or ordinary user computer can quickly gain SYSTEM privileges on that system and be able to do almost anything with it. This vulnerability is especially significant for organizations whose infrastructure relies on Windows Server.”
Finally, Microsoft SharePoint users should check if they need to implement fixes for any of the four remote code execution flaws fixed by Microsoft on this Patch Tuesday.