202310 Cumulative Update For Windows 11 For X64based Systems Kb5031358 Exclusive -

For KB5031358, "exclusive" carried a few practical implications:

In previous builds, third-party apps could inject entries more easily. KB5031358 tightens the security requirements for context menu extensions. While this improves security, it has caused temporary friction with popular archive tools and context menu editors. If your right-click workflow feels slightly different—or if a favorite tool is missing—it’s likely due to the stricter signing requirements Microsoft has enforced in this cumulative update to pave the way for future Copilot integrations within the shell. : A Skype for Business elevation of privilege

To help you understand the landscape at the time, here is a comparison with the update for the then-current version of Windows 11. : A Skype for Business elevation of privilege

: Patched 75 vulnerabilities, including 12 critical remote code execution flaws and three zero-day exploits (CVE-2023-36563, CVE-2023-41763, and CVE-2023-44487). : A Skype for Business elevation of privilege

: A Skype for Business elevation of privilege flaw exposing internal server vulnerabilities.