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Microsoft will begin automatically installing the standalone Microsoft 365 Copilot app in the background on many Windows devices that already run Microsoft 365 desktop clients, with a notable carve‑out for devices in the European Economic Area — a move that promises faster feature rollout and...

Microsoft Copilot is built into Windows 11 and Microsoft 365, but it’s straightforward to hide, disable, or block the feature when you want a distraction‑free workspace or need to enforce an enterprise policy. Background Microsoft introduced Copilot as a system‑level assistant that blends local...

Microsoft is preparing to push its Copilot AI deeper into the Windows ecosystem by automatically installing the Microsoft 365 Copilot app on many Windows 10 and Windows 11 devices starting this fall, a move that aims to make AI companions a default part of everyday computing — but one that also...

Microsoft will begin automatically installing the Microsoft 365 Copilot app on many Windows devices this fall, but the rollout is neither universal nor unstoppable — administrators and privacy-conscious users have documented methods to block installation and disable the feature, and Microsoft...

A routine security update intended to tighten Windows kernel defenses has instead opened a new attack vector: a reliably exploitable information‑disclosure bug tracked as CVE‑2025‑53136 that leaks kernel addresses on Windows 11 and Windows Server 2022 24H2 builds. The vulnerability—rooted in...

Microsoft’s Security Update Guide records CVE-2025-54104 as an elevation of privilege vulnerability in the Windows Defender Firewall Service caused by an “access of resource using incompatible type (‘type confusion’)” — in short, a type‑confusion bug in a privileged service that an authorized...

Microsoft's advisory confirms a use‑after‑free flaw in Microsoft Excel that can lead to local code execution when a specially crafted spreadsheet is opened, creating a potentially serious escalation path on unpatched systems. Overview This vulnerability, tracked as CVE‑2025‑54904, is listed in...

A newly disclosed Microsoft Excel vulnerability tracked as CVE-2025-54902 is an out‑of‑bounds read flaw in Excel’s file‑parsing logic that Microsoft warns could allow an attacker to achieve code execution on a targeted machine when a user opens a specially crafted spreadsheet, and organizations...

Microsoft has published an advisory for CVE-2025-54110, a Windows Kernel vulnerability caused by an integer overflow or wraparound that can be triggered by a locally authorized attacker to achieve elevation of privilege to SYSTEM on affected machines; administrators should treat this as a...

GE Vernova’s CIMPLICITY HMI/SCADA platform has been flagged in a recently circulated advisory as vulnerable to an Uncontrolled Search Path Element (CWE‑427) issue that, under the right local conditions, could allow a low‑privileged user to escalate privileges on affected hosts — the advisory...

The arrival of an open-source AppLocker policy generator aimed at simplifying XML policy creation for Windows administrators deserves attention: AppLockerGen promises a lightweight, web-like interface to author, merge, inspect, and export AppLocker policies — but the tool’s appeal comes with...

When a vendor-side advisory and a CVE identifier don’t line up, the first — and most important — job for defenders and researchers is to stop, verify, and update the record. I tried to open the MSRC page you gave and could not find any public advisory, nor could I find any authoritative...

A critical local privilege‑escalation flaw has been disclosed in Rockwell Automation’s FactoryTalk ViewPoint (versions 14.00 and prior) that allows an attacker with local access to escalate to SYSTEM by abusing Windows MSI repair behavior — the issue is tracked as CVE‑2025‑7973 and has been...

A high-severity privilege-escalation flaw has been disclosed in Rockwell Automation’s FactoryTalk ViewPoint that allows a local attacker to escalate to SYSTEM privileges by abusing Windows MSI repair behavior; the issue (CVE-2025-7973) carries a CVSS v4 base score of 8.5 and affects FactoryTalk...

Siemens ProductCERT has confirmed a widespread DLL-hijacking flaw in the Siemens Web Installer used by its Online Software Delivery (OSD) mechanism — tracked as CVE‑2025‑30033 — that can allow arbitrary code execution during installation, carries a CVSS v4 base score of 8.5, and affects dozens...

Microsoft’s Security Update Guide entry for CVE-2025-53718 describes a use‑after‑free (UAF) flaw in the Windows Ancillary Function Driver for WinSock (AFD.sys) that can be triggered by a locally authorized user to obtain elevated privileges on affected Windows hosts — a kernel‑level...

Title: CVE‑2025‑50173 — Windows Installer “Weak Authentication” Elevation‑of‑Privilege: What admins need to know and do now Summary Microsoft lists CVE‑2025‑50173 as an elevation‑of‑privilege vulnerability in Windows Installer. The vendor description summarizes the issue as “weak authentication...

The ongoing digital arms race has placed organizations under relentless pressure to defend their Windows Server infrastructure against an evermore sophisticated array of cyber threats. As cybercriminals refine their tactics, from credential theft to ransomware and lateral movement, Microsoft’s...

A security crisis with broad implications has emerged in recent months as Windows 11 24H2, the much-anticipated feature update, rolled out to users worldwide. Despite Microsoft’s assurances about the readiness and stability of this release, seasoned administrators and cybersecurity professionals...

Microsoft’s Copilot AI service, integrated deeply into Windows and Visual Studio Code among other environments, is creating waves of concern among users who want to disable the feature but find it sometimes re-enables itself autonomously. This behavior has been described as the AI “zombie”...