202310 Cumulative Update For Windows 11 For X64based Systems Kb5031358 Exclusive Jun 2026
The update, released on October 10, 2023 , is a mandatory security update for Windows 11, version 21H2 . This was a significant release as it marked the final security update for several editions of Windows 11 21H2 (Home, Pro, and Pro Education) before they reached their end of servicing. Update Highlights
Fixed copy operations that had stopped working in App-V environments since earlier 2023 updates. End of Service Milestone A primary objective of this update was to mark the End of Servicing
The primary purpose of KB5031358 was to protect machines from serious digital threats. This release explicitly fixed that were being actively exploited in the wild at the time of release: 1. HTTP/2 Rapid Reset Attack (CVE-2023-44487)
The update, released on October 10, 2023 , is a mandatory security update for Windows 11, version 21H2 . This was a significant release as it marked the final security update for several editions of Windows 11 21H2 (Home, Pro, and Pro Education) before they reached their end of servicing. Update Highlights
Fixed copy operations that had stopped working in App-V environments since earlier 2023 updates. End of Service Milestone A primary objective of this update was to mark the End of Servicing The update, released on October 10, 2023 ,
The primary purpose of KB5031358 was to protect machines from serious digital threats. This release explicitly fixed that were being actively exploited in the wild at the time of release: 1. HTTP/2 Rapid Reset Attack (CVE-2023-44487) released on October 10
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