Articles from June 9, 2026
Browse all Windows news articles published on June 9, 2026
CVE-2026-45485: Microsoft Office Info Disclosure and Patch Tuesday Action Checklist
Microsoft listed CVE-2026-45485 on June 9, 2026 as a Microsoft Office information disclosure vulnerability in its Security Update Guide, giving administrators a new Office-related confidentiality bug
Windows 11 KB5094126 (June 2026) Guide: Low Latency, Shared Audio, Secure Boot
Microsoft released Windows 11 KB5094126 on June 9, 2026, as the June Patch Tuesday security update for Windows 11 versions 25H2 and 24H2, raising systems to builds 26200.8655 and 26100.8655 while begi
KB5095051 for Windows 11 26H1: Cumulative Update Chain, DISM Order, Copilot+ AI
Microsoft published KB5095051 on June 9, 2026, as a cumulative update for Windows 11 version 26H1, moving systems to OS Build 28000.2269 and documenting a Microsoft Update Catalog package flow that, u
KB5095971 Setup Dynamic Update: Improve Windows 11 23H2 Feature Update Reliability
Microsoft released KB5095971 on June 9, 2026, as a Setup Dynamic Update for Windows 11 version 23H2, delivering refreshed setup binaries and setup-used files for feature-update operations through Wind
MaxHeadersCount in Windows June 9 2026: Cap HTTP/2 & HTTP/3 Headers in HTTP.sys
Microsoft’s June 9, 2026 Windows updates add a new MaxHeadersCount registry value that lets administrators cap how many HTTP/2 and HTTP/3 request headers Windows HTTP.sys will accept before rejecting
June 9, 2026 Windows Hotpatch Break: Restart-Required Baseline for CVE-2026-45585
Microsoft turned the June 9, 2026 Windows security release for hotpatch-capable Windows 11 Enterprise LTSC 2024 devices into a restart-required baseline update, replacing the expected hotpatch because
KB5095185 Safe OS Dynamic Update: Secure Boot Certificate Expiry Warning (June 2026)
Microsoft released KB5095185 on June 9, 2026, as a Safe OS Dynamic Update for Windows 11 version 26H1, refreshing the recovery and setup environment while again warning that long-lived Windows Secure
CVE-2026-45486 Word RCE vs CVSS AV:L: Remote Attacker, Local Execution Risk
Microsoft classifies CVE-2026-45486 as a Microsoft Word Remote Code Execution vulnerability even though its CVSS attack vector is Local because the exploit code runs on the victim’s machine after a ma
CVE-2026-45479 SharePoint Server Spoofing: Patch Now Without Waiting for Details
Microsoft has listed CVE-2026-45479 as a Microsoft SharePoint Server spoofing vulnerability in the Security Update Guide as of June 2026, but the public record available at publication time appears to
CVE-2026-45474 Office RCE: Remote Attacker, Local Exploit—What Defenders Need
Microsoft’s CVE-2026-45474 advisory describes a Microsoft Office remote code execution vulnerability because the attacker can be remote from the victim, even though the CVSS attack vector is local bec
CVE-2026-45471 Word RCE: Why “Remote” Means Attacker, While CVSS Says Local
Microsoft classifies CVE-2026-45471 as a Microsoft Word remote code execution vulnerability even though its CVSS attack vector is local, because “remote” describes where the attacker may be sitting, w
CVE-2026-45472: Office RCE Mac Fixes Not Yet Available (June 9, 2026)
Microsoft’s June 9, 2026 disclosure for CVE-2026-45472 says security updates for Microsoft Office LTSC for Mac 2021, Office LTSC for Mac 2024, and Microsoft 365 for Mac are not immediately available,