endpoint security

  1. CVE-2025-54896: Excel Use-After-Free RCE — Patch Now

    Microsoft has published an advisory for CVE-2025-54896: a use-after-free vulnerability in Microsoft Office Excel that, when exploited via a specially crafted workbook, can lead to code execution in the context of the user who opens the file. This class of bug is a recurring and high-consequence...
  2. CVE-2025-54895: Local Privilege Escalation in Windows NEGOEX/SPNEGO

    Microsoft’s advisory for CVE-2025-54895 warns that an integer overflow or wraparound in the SPNEGO Extended Negotiation (NEGOEX) security mechanism can be triggered by an authorized local actor to elevate privileges, turning a legitimate local account into a pathway to SYSTEM-level control if...
  3. Windows CDPSvc Use-After-Free Elevation to SYSTEM (CVE-2025-54102) – Patch Now

    A use‑after‑free vulnerability in the Windows Connected Devices Platform Service (CDPSvc) has been cataloged by Microsoft as an elevation‑of‑privilege issue that can let an authorized, local attacker escalate to SYSTEM, and administrators should treat it as a high‑priority patching item while...
  4. New Outlook for Windows Adds Offline Attachments, Ctrl F, and Shared Mailboxes

    Microsoft’s “new Outlook” for Windows has finally closed one of its most glaring gaps with the classic client: you can now access certain email attachments while offline, alongside a handful of usability fixes — from adding multiple recipients to replies to restoring the familiar Ctrl+F “find”...
  5. ScreenConnect Abuse: Threat Actors Use RMM as Initial Access Vector

    Since March 2025, threat actors have increasingly weaponized ConnectWise ScreenConnect installers — using trojanized, stripped-down ClickOnce runners and other delivery tricks to convert a trusted remote administration tool into a stealthy initial-access vector that drops multiple RATs and...
  6. KMSpico and KMS Activators: Legal, Security, and Reliability Risks

    KMSpico is a widely mentioned but legally fraught program: it emulates Microsoft’s Key Management Service (KMS) to make Windows and Office think they are legitimately volume‑activated, and while that promises “free activation” it carries clear legal, security, and operational downsides that make...
  7. Windows August 2025 Updates: UAC Prompts, MSI 1730, CVE-2025-50173 Mitigations

    Microsoft has acknowledged a compatibility regression introduced by the August 12, 2025 cumulative Windows updates that can cause unexpected User Account Control (UAC) elevation prompts and MSI Error 1730 failures for non‑administrator users when applications trigger Windows Installer (MSI)...
  8. Windows 10 EOL 2025: Migration to Windows 11 vs ESU Cost & Strategy

    Microsoft’s decision to stop issuing free security updates for Windows 10 on 14 October 2025 has forced IT leaders into a binary choice: pay to buy time, or accelerate an estate-wide migration to Windows 11 — and the short-term cost of staying on Windows 10 could be measured in billions for...
  9. August 2025 Security Roundup: Patch KEV Exploits, Cloud & Management Console Risks

    August’s security headlines were dominated by a clutch of high-impact flaws — from archive utilities and consumer networking gear to enterprise-grade management consoles and cloud AI services — that together made rapid triage and patching unavoidable for defenders. Background The August 2025...
  10. RDS Black Screen Linked to Trend Micro WFBS on Windows Server

    A growing number of administrators are reporting a perplexing problem: virtualized Windows Server instances running the Remote Desktop Server role suddenly become unresponsive for Remote Desktop users at a consistent time of day—sessions appear attached but the remote desktop shows a black...
  11. Windows 10 EOL 2025: Move to Windows 11 for Security and AI

    With the clock ticking toward Windows 10’s end of support on October 14, 2025, organisations that still treat migration as a planning exercise run a growing risk of being forced into costly, disruptive decisions at the worst possible moment; moving now from planning to implementation secures...
  12. Microsoft Teams Blocks Weaponizable Files and Malicious URLs in Chats

    Microsoft Teams is rolling out two platform-level protections meant to stop weaponized files and scammy links from arriving in users’ chats and channels, a change that shifts the battleground for collaboration security from reactive investigation to proactive blocking. Background Microsoft’s...
  13. Guernsey Replaces Non-Windows 11 Laptops in Major IT Modernisation

    The States of Guernsey has told staff that anyone who needs a laptop for their job will be issued a new machine if their existing device cannot run Windows 11, part of a wider, government‑wide upgrade to modernise endpoints and retire legacy systems — a move that coincides with the States’...
  14. IGEL Read-Only OS: A Third Path to Secure Endpoints as Windows 10 Ends

    IGEL’s message landed at an awkwardly perfect moment: as Broadcom’s reshaping of VMware nudges enterprises toward migration decisions and Microsoft’s timetable for Windows 10 reaches its endpoint, IGEL is pitching a simple — and radical — premise for enterprises that want to shrink the endpoint...
  15. Debunking 2025 Windows Security Myths: Defender, Paid AV, and Windows 10 EOL

    Three persistent beliefs about Windows security still shape user behavior in 2025 — that you must pay for antivirus, that Microsoft Defender is a catch‑all shield, and that staying on Windows 10 is safe for years to come — and each of these myths is now misleading in ways that materially affect...
  16. Debunking Windows Security Myths: Defender, Updates & Safe Practices

    The six Windows security myths that resurfaced in a recent roundup are more than clickbait—they reflect persistent misunderstandings about how modern Windows actually defends users, where its limits lie, and when spending money or changing workflows will genuinely improve safety. The original...
  17. Windows Hardening: Disable 5 Features to Cut Attack Surface

    Windows ships with dozens of features and background services designed to improve convenience — but those conveniences are also additional points of entry for attackers. A recent how‑to-style guide compiled a short list of commonly unnecessary capabilities that many users can safely disable to...
  18. Windows 11 Security for Higher Education: Passwordless Sign-On & Hardware Protections

    Windows 11’s security-first architecture is arriving at a critical moment for colleges and universities, delivering a broad set of built-in protections—passwordless sign-on, hardware-based isolation, and Microsoft Defender tooling—that aim to reduce ransomware risk and ease management burdens...
  19. CISA Adds Three Exploited CVEs to KEV Catalog: IE, Excel, WinRAR (2025)

    CISA’s latest update places three long‑standing and newly discovered flaws squarely in the crosshairs of enterprise defenders, adding CVE‑2013‑3893 (Internet Explorer), CVE‑2007‑0671 (Microsoft Excel), and CVE‑2025‑8088 (WinRAR) to the agency’s Known Exploited Vulnerabilities (KEV) Catalog on...
  20. CVE-2025-48807: Patch Hyper-V Local Code Execution via VSP Channels

    Windows Hyper‑V contains a vulnerability tracked as CVE‑2025‑48807 that, according to the vendor advisory, stems from improper restriction of a Hyper‑V communication channel to its intended endpoints and can be abused by an authorized attacker to execute code locally on an affected host. This...