Please see this blog post to apply mitigations for those vulnerabilities. NOTE The October 2022 SUs do not contain fixes for the zero-day vulnerabilities reported publicly on Septem(CVE-2022-41040 and CVE-2022-41082). Released: October 2022 Exchange Server Security Updates provides the following update: Unfortunately, Microsoft has not released security updates to address ProxyNotShell which includes two actively exploited zero-day vulnerabilities tracked as CVE-2022-41040 and CVE-2022-41082. Microsoft Exchange “ ProxyNotShell” Zero-Days Not Yet Addressed (QID 50122) Microsoft has fixed several flaws in its software, including Denial of Service (DoS), Elevation of Privilege (EoP), Information Disclosure, Remote Code Execution (RCE), Security Feature Bypass, Spoofing, Microsoft Edge (Chromium-based), and Microsoft Edge (Chromium-based) / Spoofing.
Earlier this month, on October 3 and 6, 2022, Microsoft also released a total of 12 Microsoft Edge (Chromium-Based) updates, one (1) addressing Spoofing ( CVE-2022-41035) ranked Moderate. This month’s Patch Tuesday fixes two (2) zero-day vulnerabilities, with one (1) actively exploited * in attacks ( CVE-2022-41033 *, CVE-2022-41043). Microsoft has fixed 84 vulnerabilities (aka flaws) in the October 2022 update, including 13 vulnerabilities classified as Critical as they allow Elevation of Privilege (EoP), Remote Code Execution (RCE), and Spoofing.
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