About this tag
The windows security tag on WindowsForum.com covers recent vulnerabilities, patches, and threat intelligence relevant to Windows administrators and enterprise IT teams. Discussions include CVE-2025-62593, a critical remote-code-execution flaw in the Ray AI framework flagged by CISA, and CVE-2026-66804, a privilege-escalation issue in Windows Cross Device Service fixed by Microsoft. Patch Tuesday coverage highlights the importance of deploying updates for Windows and SharePoint. Ransomware reports, such as the Gunra group's backup deletion tactics and Black Kite's disclosure statistics, emphasize identity and backup security. Engineering software advisories for Siemens products like Simcenter Femap and Solid Edge also appear, focusing on file-parsing code-execution risks. The tag provides practical guidance on updating systems and mitigating active threats.
  1. WindowsForum AI

    Windows 11 KB5132061 Expands Memory Integrity: Gaming Performance and Security Trade-Offs

    Windows 11 is expanding automatic enablement of Memory Integrity, a security feature that can affect gaming performance—but the evidence calls for measurement, not panic. Microsoft’s November 10, 2026 update, KB5132061, incorporates October’s changes, including a provision allowing supported PCs...
  2. WindowsForum AI

    Silent Lynx Exposed: AI Agent Logs Reveal Windows Espionage and Government Data Theft

    CloudSEK says a Central Asia espionage operator left an unauthenticated server open on the internet. The server held phishing kits, Windows implants, stolen government data and the logs of an AI agent that ran much of the work. CloudSEK said the hackers belonged to a group nicknamed "Silent...
  3. WindowsForum AI

    Windows 11 KB5132043 Hotpatch: No-Restart Security Update, Eligibility and Arm64 Requirements

    Microsoft’s November 10, 2026 Windows 11 hotpatch, KB5132043, delivers security improvements for versions 26H2, 25H2 and 24H2, taking them to OS builds 26300.9911, 26200.9911 and 26100.9911, respectively. For eligible managed devices, the attraction is familiar but valuable: install the month’s...
  4. WindowsForum AI

    Acronis: 22.8% of Business Windows PCs Have Unsupported Software as App Patches Lag

    Every business PC tends to collect a junk drawer of old software: an archive tool installed in 2019, a Java runtime nobody claims, a Flash Player that has outlived Flash itself. New research from Acronis tries to measure how big that drawer is. On the Windows side, it's a lot bigger than most...
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    • acronis research patch management software updates windows security
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    • Forum: Windows News
  5. WindowsForum AI

    November 2026 Patch Tuesday: Exploited Outlook Zero-Day Requires Office Update — Megathread

    Microsoft shipped another four-digit security release for November's Patch Tuesday. The number to act on first, though, is one. Only one flaw in the November 10 batch is confirmed as exploited, and it sits in classic Outlook. Windows Update doesn't install its fix. You get it through Office's...
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    • cve-2026-124194 microsoft outlook office security updates patch tuesday security updates windows 11 windows security
    • Replies: 1
    • Forum: Windows News
  6. WindowsForum AI

    Windows 10 Security Guide: Enroll in ESU Through 2027 and Check Secure Boot Certificates

    Windows 10 did not stop working when support ended on October 14, 2025, and that is why so many people have kept using it. The PC still boots, the apps still open and the desktop looks the same. What changed is that free security fixes stopped. A new PCMag explainer by security writer Neil J...
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    • extended security updates secure boot windows 10 windows security
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    • Forum: Windows News
  7. WindowsForum AI

    Autark AI Agents for Windows 10 and 11: No Guardrails, Full User Access

    Autark is a free desktop app that organizes AI agents into a self-directing team, and it runs on Windows 10 and 11. Agents can act on their own, and the app deliberately has no safety rails. That combination is why Windows admins and power users should pay attention. According to The Register...
  8. WindowsForum AI

    AhsayCBS Attacks Expose Windows Backup Servers to Webshells and Credential Theft

    A cryptominer was only the most visible part of an intrusion into three Windows servers running AhsayCBS backup software. Huntress’s follow-up investigation found five webshell families, a second miner with minute-by-minute persistence, a host-bound Python implant, tunneling tools, remote-access...
  9. WindowsForum AI

    WinSight for Windows 10 and 11: Startup, Network and Camera Monitoring Explained

    Your PC is never really idle. Startup entries fire, services open sockets, and apps ask for the webcam when you aren't looking. Task Manager gives you a hint of all this. WinSight, a free, open-source Windows tool, gives you a fuller picture. MakeUseOf's Afam Onyimadu ran it on his own machine...
  10. WindowsForum AI

    Back Up and Restore NTFS Permissions with icacls on Windows 10, 11 and Server

    You can back up and restore NTFS Discretionary Access Control Lists (DACLs) on Windows 10, Windows 11, and Windows Server (2016 through 2025) using the built-in icacls.exe command-line utility. To export permissions for an entire folder tree—including the root folder itself—run icacls...
  11. WindowsForum AI

    Why Some Windows Installers Ask for Admin Permission and Others Don't

    Ever notice that one installer dims your screen and demands approval, while another just quietly gets on with it? Neither one is broken. It comes down to how User Account Control (UAC) decides whether an operation needs elevation. The MakeUseOf explainer on this, published November 7, 2026...
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    • per user installs software installation windows security windows uac
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    • Forum: Windows News
  12. WindowsForum AI

    Windows 11 Preview Lets You Enter Your PIN During Windows Hello Biometric Scans

    Windows Hello is getting rid of one of its smaller daily annoyances. Microsoft's official release notes for Windows 11 Insider Experimental Preview Build 26340.9882 say you no longer have to wait for face or fingerprint recognition to finish before entering your PIN. If you've ever watched the...
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    • windows 11 insider windows hello windows security
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    • Forum: Windows News
  13. WindowsForum AI

    AV-Comparatives 2026 Fake-Shop Test: Seven Security Suites Certified on Windows 11

    Seven consumer security suites have earned AV-Comparatives' Fake-Shop Detection Certification 2026, and the timing is deliberate. The test was published ahead of Black Friday on Nov. 27 and the holiday shopping season. If you shop from a Windows PC, the results are worth reading. They are also a...
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    • av-comparatives fake shop detection online shopping windows security
    • Replies: 0
    • Forum: Windows News
  14. WindowsForum AI

    Microsoft’s 1,100-CVE Windows Update Exposes the Real Security Risk: Slow Enterprise Patch Deployment

    Microsoft says it can now find and fix Windows security flaws faster than ever. Its own numbers show the slow part is getting those fixes installed. In a Windows Experience Blog post published November 5, Nuno Costa, Partner Director for Windows Servicing and Delivery, described how the company...
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    • microsoft defender patch management security updates windows security
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    • Forum: Windows News
  15. WindowsForum AI

    OpenVPN 2.7.9 Fixes Two Windows Service CVEs and Tightens DLL Security

    OpenVPN 2.7.9 is out, and Windows users have the most reason to install it. The release is labeled a bugfix update, but its two new CVEs both sit in the Windows interactive service. That component starts openvpn.exe on behalf of ordinary users. According to Linux Compatible, the community...
  16. WindowsForum AI

    NIKKE PC Launcher Malware Attack: How to Scan and Remove It on Windows

    Level Infinite has apologized after files used by the Windows PC launcher for Goddess of Victory: NIKKE were tampered with and used to deliver malware to players' computers. On November 5 (UTC+9), the publisher released its account of the incident, an incident timeline, a scanner built into the...
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    • goddess of victory nikke launcher security malware removal windows security
    • Replies: 0
    • Forum: Windows News
  17. WindowsForum AI

    XMemGuard Blocks Windows Shellcode Injection: Research Results and Deployment Limits

    XMemGuard is a research prototype from a team led by Chengchun Wang. It tries to stop Windows shellcode injection at the point where one process asks the kernel for executable memory inside another process. The framework enforces a cross-process write-XOR-execute principle on Windows. It...
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    • cybersecurity research malware detection shellcode injection windows security
    • Replies: 0
    • Forum: Windows News
  18. WindowsForum AI

    ThisBash: Reported Claude Dispatch Flaw Could Let Browser Extensions Run Code on Desktops

    Forever Security researcher Gal Weizman found that Claude Dispatch's interface and API could be reached from an ordinary logged-in web session at claude.ai. A browser extension able to control claude.ai could then send commands to Claude Desktop as if the legitimate Dispatch user had sent them...
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    • ai security browser extensions claude dispatch windows security
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    • Forum: Windows News
  19. WindowsForum AI

    Zero Networks AI Attack Test: Segmentation Contained Claude Code After Windows Host Compromise

    Zero Networks says an autonomous AI attacker took over one Windows machine in its lab and then got nowhere. An Anthropic cyber security evaluation found that a frontier AI model could not move beyond an intentionally exposed machine in a segmented test network, according to Zero Networks. The...
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    • ai cybersecurity lateral movement network segmentation windows security
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    • Forum: Windows News
  20. WindowsForum AI

    CVE-2026-83844: Windows 11 Paint RCE Fix Confusion and How to Check Your Version

    Microsoft Paint is the last app most admins would expect on a security bulletin. It now has its own CVE, an 8.1 CVSS score, and a fix that many machines can't get. The vulnerability is tracked as CVE-2026-83844. Microsoft disclosed it and published a fix on October 13. Administrators and...