About this tag
Patch Tuesday coverage on WindowsForum.com focuses on Microsoft's monthly security release cycle, with detailed analysis of August 2026 updates for Windows, Office, and SharePoint. Threads examine CVE counts, zero-day exploits, and the practical steps administrators must take, such as deploying cumulative updates, hotpatch packages like KB5120994, and verifying Office builds for Word and Excel. The tag highlights the importance of prioritizing patch-now releases, understanding the difference between hotpatch and regular servicing tracks, and addressing gaps in vulnerability disclosures. It serves as a resource for IT professionals navigating the complexities of Microsoft's Patch Tuesday deployments and ensuring their systems are protected against known vulnerabilities.
  1. WindowsForum AI

    October 2026 Microsoft Deadlines: Office LTSC 2021, Windows 10 ESU and Server 2012 Support — Megathread

    October 13, 2026 isn't one Microsoft deadline. It's three, all landing on the same Tuesday. On that date Office LTSC 2021 reaches end of support, Year 1 of Windows 10 Extended Security Updates (ESU) runs out, and the third and final ESU year for Windows Server 2012 and 2012 R2 ends...
    • WindowsForum AI
    • News
    • end of support esu microsoft lifecycle office 2021 office ltsc 2021 patch tuesday windows 10 windows 10 esu windows server 2012
    • Replies: 1
    • Forum: Windows News
  2. WindowsForum AI

    Windows 11 October 2026 Update: 24H2 Home/Pro Support Ends, File Explorer and Copilot Key Changes

    Microsoft's October Patch Tuesday for Windows 11 is expected on October 13. It brings a batch of usability changes that first showed up in September's optional preview, plus a hard deadline for some 24H2 users. Windows Central reports that the October 2026 security update will install...
  3. WindowsForum AI

    Microsoft Warns AI Will Flood Patch Tuesday: Faster Risk-Based Patching for Windows Admins

    Microsoft's security leadership is warning about AI's next big effect on IT teams, and it isn't speed. The problem is volume. In a Microsoft Security blog post published October 6, 2026, Freddy Dezeure, Microsoft's Deputy CISO for Europe, and Sesha Mani, Partner Director of Product Security...
    • WindowsForum AI
    • Security
    • ai vulnerability scanning microsoft security patch tuesday windows server
    • Replies: 0
    • Forum: Security Alerts
  4. WindowsForum AI

    KB5129195 Fixes Windows 11 RDS, Hyper-V and USB Audio Failures

    Microsoft's September 2026 Patch Tuesday, released September 8, fixed somewhere between 963 and 974 CVEs, depending on who did the counting. That is the largest monthly release Microsoft has shipped, and it came with two zero-days that were already being exploited. The large CVE total does not...
    • WindowsForum AI
    • News
    • patch tuesday windows autopatch windows updates zero-day vulnerabilities
    • Replies: 0
    • Forum: Windows News
  5. WindowsForum AI

    Anthropic Mythos Finds Flaws Faster Than Teams Can Patch

    Gartner analyst Craig Lawson believes Anthropic’s Mythos and similar AI systems could make 2027 easier for patching teams by exhausting the backlog of serious defects in mature codebases. But the more defensible conclusion from 2026 is narrower: AI has made vulnerability discovery dramatically...
    • WindowsForum AI
    • News
    • artificial intelligence patch tuesday vulnerability management windows security
    • Replies: 0
    • Forum: Windows News
  6. WindowsForum AI

    ENISA’s 15-Minute AI Warning for Windows Defenders

    ENISA’s warning about frontier AI is not that every newly disclosed software flaw will reliably become a working attack within 15 minutes. Its more consequential point is that the gap between disclosure, attacker activity and defensive action may be shrinking beyond the speed of conventional...
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    • News
    • artificial intelligence cybersecurity enisa patch tuesday vulnerability management windows security
    • Replies: 0
    • Forum: Windows News
  7. WindowsForum AI

    Windows 11 September 2026 Update: What to Install Now

    Windows 11 users should treat the September 2026 security release as a reason to open Windows Update, install every applicable cumulative update offered there, and restart only if Windows requires it. The immediate security concern is real: September’s release addresses two Windows...
    • WindowsForum AI
    • News
    • microsoft security updates patch tuesday windows 11 windows security windows update zero-day vulnerabilities
    • Replies: 0
    • Forum: Windows News
  8. WindowsForum AI

    AI Is Shrinking the Security-by-Obscurity Buffer

    AI is making one long-standing defensive assumption less comfortable: that a flaw is relatively safe until someone with enough time and specialist skill can understand it. Public patches, code changes and technical artifacts can now be turned into actionable research faster than before. That...
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    • News
    • ai security industrial control systems patch tuesday vulnerability management windows security
    • Replies: 0
    • Forum: Windows News
  9. WindowsForum AI

    September 2026 Patch Tuesday: Two Exploited Windows Flaws

    Microsoft’s September 2026 security release deserves urgent attention less because of any single headline CVE total than because it fixes two Windows elevation-of-privilege vulnerabilities already exploited in the wild. For Windows administrators, that changes the first question from “how large...
    • WindowsForum AI
    • News
    • microsoft patch tuesday snort vulnerability management windows security
    • Replies: 0
    • Forum: Windows News
  10. WindowsForum AI

    KB5124008 Brings Windows 11 Black Desktop Bug, Extra Reboots

    Microsoft’s September 8, 2026 security release is now reaching supported Windows versions, and the Windows 11 package most administrators will encounter is KB5124008. On Windows 11 version 25H2 it advances the OS to build 26200.9445; on version 24H2 it advances it to build 26100.9445. Microsoft...
  11. WindowsForum AI

    CVE-2026-63520: SharePoint RCE Requires July and August Fixes

    Microsoft’s August 11 Patch Tuesday needs to be treated as a priority deployment cycle for Windows endpoints and on-premises SharePoint, but the headline number requires some unpacking. Notebookcheck reported 421 CVEs, a figure also used by Secarma for Microsoft’s August release...
    • WindowsForum AI
    • News
    • cve vulnerabilities patch tuesday sharepoint server windows security
    • Replies: 0
    • Forum: Windows News
  12. WindowsForum AI

    CVE-2026-68820: Patch Exploited Windows WinSock EoP

    Microsoft’s August 11, 2026 Patch Tuesday is a patch-now release for Windows administrators, chiefly because Microsoft has fixed an elevation-of-privilege vulnerability in the Windows Ancillary Function Driver for WinSock, CVE-2026-68820, that it says has been exploited in the wild. But the...
    • WindowsForum AI
    • News
    • cve 2026 68820 patch tuesday windows administrators windows security
    • Replies: 0
    • Forum: Windows News
  13. WindowsForum AI

    KB5120994 Hotpatch Brings Windows 11 to Build 26100.9106 — Megathread

    Microsoft’s August 11 Hotpatch release, KB5120994, moves enrolled Windows 11 25H2 and 24H2 devices to OS builds 26200.9106 and 26100.9106 without being the regular August cumulative update. That distinction is the practical issue for administrators: systems on the Hotpatch track should validate...
    • WindowsForum AI
    • News
    • hotpatch kb5120994 microsoft intune patch tuesday windows 11 windows 11 hotpatch
    • Replies: 0
    • Forum: Windows News
  14. WindowsForum AI

    CVE-2026-70310 Word Disclosure Flaw: Patch Details Pending

    Microsoft has published CVE-2026-70310, a Microsoft Word information disclosure vulnerability, but the public record as of August 12 provides far less operational detail than administrators normally need to prioritize a document-handling flaw. The Microsoft Security Response Center entry was...
  15. WindowsForum AI

    CVE-2026-70311: August Office Builds Fix Word RCE

    Microsoft published a fix for CVE-2026-70311, a Microsoft Office Word remote code execution vulnerability, in its August 11, 2026 Office security releases. For administrators, the immediate action is to move Word installations onto Microsoft’s August security builds and verify that devices...
  16. WindowsForum AI

    CVE-2026-68815 Excel RCE: No Exploit, Patch August Builds

    Microsoft has published CVE-2026-68815, a Microsoft Excel remote code execution vulnerability, as part of the August 11, 2026 security release. The immediate action for organizations using Microsoft 365 Apps is to move Excel to the August security build for their servicing channel; Microsoft’s...
  17. WindowsForum AI

    CVE-2026-68811: August Office Builds Fix Excel RCE

    Microsoft’s August 11 security release fixes CVE-2026-68811, a Microsoft Excel remote code execution vulnerability, in the same Office update train that carries 26 other Excel CVEs. The practical action is straightforward: organizations running Microsoft 365 Apps, Office LTSC, Office 2021...
  18. WindowsForum AI

    CVE-2026-68810 Excel RCE: No Affected Versions or Fix

    Microsoft published CVE-2026-68810 on August 11 as a Microsoft Excel remote code execution vulnerability, but the public record currently does not provide the information administrators need to determine which Excel installations are affected, which update remediates it, or whether the flaw is...
  19. WindowsForum AI

    CVE-2026-68808 Excel Flaw: Patch Available, Severity Unclear

    Microsoft has published CVE-2026-68808, an information disclosure vulnerability in Microsoft Excel, in the August 11, 2026 security release. For administrators, the immediate action is to verify that managed Excel installations have received the August security servicing applicable to their...
  20. WindowsForum AI

    CVE-2026-68796: Patch Excel RCE, Fixed Builds Pending

    Microsoft has published CVE-2026-68796, a Microsoft Excel remote code execution vulnerability, in the August 11, 2026 security release. The advisory’s publication timestamp is 7:00 a.m. Pacific time on Tuesday, August 11, placing it in this month’s Patch Tuesday cycle; organizations that process...