threat detection

  1. Guardian Protector: Free Real-Time Identity Monitoring Across Hybrid AD Entra ID

    Cayosoft’s new Guardian Protector is a free, always-on identity threat detection tool designed to provide continuous, real-time monitoring and alerts across hybrid Microsoft identity environments including Active Directory (AD) and Entra ID (formerly Azure AD), giving organizations a...
  2. Azure Blob Storage Security: Treat It as a Battlefield with Defender for Storage

    Microsoft’s latest security briefing makes a blunt point: Azure Blob Storage is no longer just a convenient object store — it is an active battleground, and defenders need to treat it as such now that adversaries are weaponizing cloud-native scale, features, and orchestration to probe, persist...
  3. CVE-2025-59243 Excel Memory Safety RCE: Urgent Patch and Mitigation

    Microsoft’s advisory for CVE-2025-59243 names a memory-safety defect in Microsoft Excel that can lead to code execution when a specially crafted spreadsheet is opened, and organizations should treat the entry as a high-priority Office remediation event while applying layered mitigations and...
  4. CVE-2025-49728: Local Cleartext Credential Leak in Microsoft PC Manager – Patch Now

    CVE-2025-49728 — Microsoft PC Manager: Cleartext storage of sensitive information (Security‑feature bypass, local) Summary (TL;DR) Microsoft has assigned CVE‑2025‑49728 to a vulnerability in Microsoft PC Manager where sensitive information is stored in cleartext, enabling a local, unauthorized...
  5. AI-Driven UEBA Elevates Microsoft Sentinel Across Multi-Cloud

    Microsoft has pushed a significant upgrade to Microsoft Sentinel’s User and Entity Behavior Analytics (UEBA), embedding AI-driven behavioral detection, broader cross‑cloud data ingestion, and dynamic baselining that together aim to surface subtle account compromise and insider risk while...
  6. Siemens APOGEE PXC and TALON TC: CVE-2025-40757 BACnet File Leak Explained

    Siemens has confirmed a vulnerability in its APOGEE PXC and TALON TC building automation devices that allows an unauthenticated remote actor to retrieve sensitive files — including the device’s encrypted database — over BACnet, a widely used building automation protocol, a weakness now tracked...
  7. September 2025 Patchday: Office RCE Risks & 80 CVEs, Strategic Patch Playbook

    Microsoft’s September 9, 2025 Patchday brought a dense, operationally important set of fixes for Microsoft Office alongside a much larger ecosystem update—roughly eighty CVEs across Windows, Office, Azure and related components—forcing administrators to treat this month’s release as more than...
  8. Auditing SMB Hardening for CVE-2025-55234: From Audit to Signing and EPA

    Microsoft has published advisory guidance tied to CVE‑2025‑55234 that focuses less on a new exploitable bug and more on enabling administrators to find and measure exposure to SMB relay‑style elevation‑of‑privilege attacks before they flip stronger hardening controls. The short form: the SMB...
  9. Understanding CVE-2025-54915: Local Privilege Escalation in Windows Defender Firewall Service

    Microsoft’s Security Response Center has cataloged CVE-2025-54915 as an elevation-of-privilege vulnerability in the Windows Defender Firewall Service described as “Access of resource using incompatible type (‘type confusion’),” and the vendor advises that an authorized local attacker could...
  10. CVE-2025-54112: Local Privilege Escalation in VHD/VHDX Parsing

    Microsoft’s Security Response Guide lists CVE-2025-54112 as a vulnerability in the Microsoft Virtual Hard Disk (VHD/VHDX) handling code that can be abused by an authorized local attacker to achieve elevation of privilege on Windows hosts, a condition vendors and incident responders classify as...
  11. CVE-2025-49690: Windows camsvc Race Condition – Local Privilege Escalation Patch

    A newly disclosed race‑condition vulnerability in the Windows Capability Access Management Service (camsvc) can be abused by a local attacker to escalate privileges to SYSTEM on unpatched hosts, and organizations should treat the advisory as a high‑priority patching event for affected Windows...
  12. CVE-2025-54093: Windows TCP/IP TOCTOU Race for Local Privilege Escalation

    Title: CVE‑2025‑54093 — Windows TCP/IP Driver TOCTOU Race Condition (Local Elevation of Privilege) Summary What it is: A time‑of‑check/time‑of‑use (TOCTOU) race condition in the Windows TCP/IP driver that Microsoft lists as CVE‑2025‑54093. Microsoft’s advisory describes the flaw as a TOCTOU...
  13. CVE-2025-54104: Type-Confusion Elevation in Windows Defender Firewall (MpsSvc)

    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...
  14. Patch CVE-2025-54098: Securing Hyper-V Against Local Privilege Escalation

    Microsoft’s Security Update Guide lists CVE-2025-54098 as an Improper access control vulnerability in Windows Hyper‑V that allows an authorized attacker to elevate privileges locally, a condition that requires immediate attention from anyone running Hyper‑V hosts, management servers, or...
  15. CVE-2025-53809: LSASS DoS via Improper Input Validation in Windows

    Microsoft’s security advisory for CVE-2025-53809 warns that improper input validation in the Windows Local Security Authority Subsystem Service (LSASS) can be abused by an authorized attacker to cause a denial of service (DoS) over a network, putting authentication services and domain...
  16. CVE-2025-49692: Azure Arc Connected Machine Agent Elevation of Privilege - Patch & Defend

    CVE-2025-49692 Azure Connected Machine Agent Elevation of Privilege Vulnerability Overview What happened: Microsoft has posted an advisory for CVE‑2025‑49692 describing an improper access control vulnerability in the Azure Connected Machine (Windows Virtual Machine) Agent that can allow an...
  17. CVE-2025-55317: Local Privilege Escalation in MAU via Link Following

    Microsoft has published an advisory identifying CVE-2025-55317, a local elevation-of-privilege flaw in Microsoft AutoUpdate (MAU) caused by improper link resolution before file access — commonly described as a link-following or symlink/junction weakness — that can allow an authorized local...
  18. CVE-2025-55228: Windows GRFX Race Condition and Patch Guidance

    Microsoft’s security portal lists CVE-2025-55228 as a Windows Graphics Component issue in the Win32K — GRFX code path that can be abused by an authenticated local actor through a concurrency/race condition; the flaw is described as allowing execution of attacker-supplied code in kernel context...
  19. CVE-2025-54919 Windows Win32K Race Condition: Patch Now and Harden Defenses

    Microsoft’s security advisory for CVE-2025-54919 describes a race‑condition flaw in the Windows Win32K graphics subsystem (GRFX) that can be abused by an authenticated local user to execute code in a privileged context; defenders should treat affected hosts as high priority for immediate...
  20. Understanding CVE-2025-54902: Excel out-of-bounds read may enable RCE; patch and defenses

    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...