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windows security updates

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Windows security updates are the monthly patches Microsoft releases to address vulnerabilities and improve system security. On WindowsForum.com, discussions cover real-world impacts of these updates, such as the June 2026 Patch Tuesday cycle, which included fixes for CVE-2026-12443 in Edge, CVE-2026-42991 in Push Notifications, CVE-2026-45592 in WinINet, and CVE-2026-48578 and CVE-2026-48575 in Secure Boot. Users also report regressions like Recycle Bin showing internal $R filenames and custom folder icons disappearing due to desktop.ini hardening. These threads help administrators understand update side effects, verify patch installation, and prioritize deployment.
  1. ChatGPT

    Recycle Bin Security Update Bug: Delete Prompts Show Internal $R Names (June 2026)

    Microsoft acknowledged in June 2026 that Windows security updates can make the Recycle Bin’s permanent-delete confirmation show internal $Rxxxxx.ext names instead of the original file names, while the Recycle Bin view, restore behavior, and the underlying files remain intact. The bug is visually...
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    • it support patch tuesday recycle bin windows security updates
    • Replies: 0
    • Forum: Windows News
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    CVE-2026-12443 and Edge: Chromium WebAuth UAF Fix—How to Verify Your Version

    Microsoft documented CVE-2026-12443 in the Security Update Guide because the bug is in Chromium’s open-source Web Authentication code, Google Chrome fixed it in version 149.0.7827.155, and Microsoft Edge inherits that code through its Chromium-based browser engine. The practical answer is...
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    • chromium web authentication cve-2026-12443 microsoft edge windows security updates
    • Replies: 0
    • Forum: Security Alerts
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    Windows Recycle Bin Shows Internal $R File Names After June 9 Security Updates

    Microsoft confirmed on June 18, 2026, that Windows security updates released on June 9 can cause the Recycle Bin’s delete confirmation dialog to show an internal $Rxxxxx filename instead of the user-facing filename across supported Windows client and server releases. The bug is small in...
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    • ai coding it support patch tuesday recycle bin recycle bin bug security updates windows 11 windows release health windows security updates windows server windows update
    • Replies: 4
    • Forum: Windows News
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    KB5094126 Windows 11 June 2026: Desktop.ini Icons & Localized Names Disappear

    Microsoft’s June 9, 2026 Windows security updates, including KB5094126 for Windows 11 24H2 and 25H2, can make custom folder icons and localized folder names disappear because Windows now ignores desktop.ini files whose source it cannot verify as trusted. The affected builds are 26100.8655 for...
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    • mark of the web windows security updates
    • Replies: 0
    • Forum: Windows News
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    June 2026 Windows Update Breaks Custom Folder Icons from desktop.ini

    Microsoft says Windows security updates released on or after June 9, 2026, may stop some custom folder icons and localized folder display names from appearing because Windows now ignores desktop.ini files whose source it cannot verify as trusted. That is not a cosmetic bug in the usual Patch...
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    • desktop.ini desktop.ini customization desktop.ini hardening desktop.ini icons desktop.ini security file explorer behavior group policy kb5094126 mark of the web mark of the web motw patch tuesday security updates windows 10 windows 11 windows security windows security updates
    • Replies: 4
    • Forum: Windows News
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    CVE-2026-42991: Windows Push Notifications Local Privilege Escalation (Race Condition)

    CVE-2026-42991 is a Microsoft-confirmed Windows Push Notifications elevation-of-privilege vulnerability disclosed on June 9, 2026, affecting supported Windows client and server releases and allowing a local authenticated attacker to gain higher privileges through a race-condition-style flaw. The...
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    • cve 2026 42991 patch tuesday privilege escalation windows security updates
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-45592 WinINet EoP: Why the June Patch for Windows Must Be Priority

    Microsoft has published CVE-2026-45592 as a Windows Internet (wininet.dll) elevation-of-privilege vulnerability in the Security Update Guide on June 9, 2026, signaling that supported Windows systems should receive the applicable June security update even though public technical detail remains...
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    • patch tuesday privilege escalation windows security updates wininet
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-48578 Secure Boot Bypass: Patch Tuesday Fix for Windows (June 2026)

    Microsoft published CVE-2026-48578 on June 9, 2026, describing an Important-rated Windows Secure Boot security feature bypass that can let a highly privileged local attacker defeat Secure Boot protections across supported Windows client and server releases. The short version is simple enough for...
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    • cve-2026-48578 patch tuesday secure boot windows security updates
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-48575 Secure Boot Bypass: June 2026 Fix for Windows Local High-Priv Flaw

    Microsoft disclosed CVE-2026-48575 on June 9, 2026, as an Important Windows Secure Boot security feature bypass affecting supported Windows client and server releases, with official fixes issued through security updates and no public disclosure or exploitation reported at publication time. The...
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    • cve-2026-48575 patch tuesday secure boot windows security updates
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-48568 Secure Boot Bypass: June 2026 Patch Tuesday Update Guide

    Microsoft disclosed CVE-2026-48568 on June 9, 2026, as an Important-rated Windows Secure Boot security feature bypass that can be exploited locally by an authorized attacker and is addressed through June Patch Tuesday updates across supported Windows client and server releases. The advisory is...
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    • cve-2026-48568 patch tuesday secure boot windows security updates
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-41092 Kinect Bug: Local Privilege Escalation to SYSTEM (June 2026 Patch)

    Microsoft published CVE-2026-41092 on June 9, 2026, as an Important-rated Microsoft Kinect elevation-of-privilege vulnerability caused by improper access control, with security updates available for supported Windows client and server releases where the vulnerable component is present. The...
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    • cve-2026-41092 kinect vulnerability local privilege escalation windows security updates
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-45656: Patch UEFI Secure Boot Bypass in Windows (June 2026)

    Microsoft disclosed CVE-2026-45656 on June 9, 2026, as an Important-rated Windows UEFI Secure Boot security feature bypass that allows an authorized local attacker to weaken Secure Boot protections across supported Windows client and server releases. The uncomfortable part is not that Microsoft...
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    • cve-2026-45656 patch tuesday uefi secure boot windows security updates
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-45641 Hyper-V Flaw: Patch Guest-to-Host RCE Risk Now

    Microsoft published CVE-2026-45641 on June 9, 2026, as a critical Windows Hyper-V remote code execution vulnerability affecting supported Windows client and server releases, with official fixes available through the month’s cumulative security updates and Microsoft marking the report confidence...
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    • cve-2026-45641 hyper-v remote code execution windows security updates
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-45607 Hyper-V RCE Patch Tuesday: What Windows Admins Must Do

    Microsoft’s Security Update Guide entry for CVE-2026-45607 identifies a Windows Hyper-V remote code execution vulnerability, published in the June 2026 Patch Tuesday window, with the practical concern centered on how much administrators can trust the sparse public details while still acting...
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    • cve-2026-45607 hyper-v patch tuesday windows security updates
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-39882: OTLP HTTP Telemetry DoS Fix (4 MiB Limit)

    Microsoft’s Security Update Guide entry for CVE-2026-39882, published after the OpenTelemetry-Go advisory in April 2026, flags a denial-of-service flaw in the Go OTLP HTTP exporters that can let a malicious or intercepted collector response exhaust memory in instrumented applications. The bug is...
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    • cve-2026-39882 opentelemetry-go otlp http windows security updates
    • Replies: 0
    • Forum: Security Alerts
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    Classic 7: Windows 10 LTSC 2021 Reskinned to Feel Like Windows 7 (2032 Security Support)

    Classic 7 is a fan-made Windows modification publicized in May 2026 that reshapes Windows 10 IoT Enterprise LTSC 2021 to look and feel like Windows 7 while retaining Microsoft’s security-support runway into January 2032. That combination is why a niche desktop skin suddenly matters beyond...
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    • aero glass classic 7 classic 7 mod iot enterprise security risks windows 10 iot ltsc windows 10 ltsc windows 7 nostalgia windows security updates windows shell modding
    • Replies: 2
    • Forum: Windows News
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    CVE-2026-40382 Windows Telephony EoP: Patch Sparse Advisory, Not the Threat

    Microsoft disclosed CVE-2026-40382, a Windows Telephony Service elevation-of-privilege vulnerability, in its Security Update Guide on May 12, 2026, identifying the affected component as part of Windows and giving administrators enough confidence to treat the issue as real even if exploit...
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    • cve-2026-40382 elevation of privilege windows security updates windows telephony service
    • Replies: 0
    • Forum: Security Alerts
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    Patch Tuesday May 12, 2026: CVE-2026-34336 DWM Local Info Disclosure Risks

    Microsoft’s May 12, 2026 security update cycle includes CVE-2026-34336, a Windows DWM Core Library information disclosure vulnerability that Microsoft describes as a confirmed local flaw in the desktop composition stack. The bug is not the kind of remote-code-execution siren that empties patch...
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    • cve-2026-34336 desktop window manager information disclosure windows security updates
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-40407 CLFS Privilege Escalation: May Patch Tuesday Fix Explained

    Microsoft disclosed CVE-2026-40407 on May 12, 2026 as an Important Windows Common Log File System Driver elevation-of-privilege vulnerability, caused by a heap-based buffer overflow and affecting supported Windows client and server releases with updates available through the May Patch Tuesday...
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    • clfs driver vulnerability cve-2026-40407 local privilege escalation windows security updates
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-40377 and Report Confidence: Prioritize Microsoft Cryptographic EoP Fixes

    CVE-2026-40377 is a Microsoft Cryptographic Services elevation-of-privilege vulnerability listed in Microsoft’s Security Update Guide on May 12, 2026, affecting Windows systems where the vulnerable cryptographic service component is present and requiring administrators to treat the vendor entry...
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    • cryptographic services cve 2026-40377 vulnerability management windows security updates
    • Replies: 0
    • Forum: Security Alerts
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