defense-in-depth

  1. CVE-2025-54094: Type-Confusion in Windows Defender Firewall Service Enables Local EoP

    Microsoft’s security advisory for CVE-2025-54094 identifies a type‑confusion flaw in the Windows Defender Firewall Service that can be triggered by an authorized local actor to perform a local Elevation of Privilege (EoP) — in short, an attacker with the ability to run code as a non‑privileged...
  2. CVE-2025-53808: Local Privilege Escalation in Windows Defender Firewall

    Microsoft’s Security Update Guide lists CVE-2025-53808 as an Elevation of Privilege vulnerability in the Windows Defender Firewall Service that stems from an “access of resource using incompatible type” (commonly called type confusion), and the vendor warns that a locally authorized attacker...
  3. RRAS CVE-2025-54095: Network-based memory disclosure in Windows RRAS

    Microsoft’s Security Response Center lists CVE-2025-54095 as an out-of-bounds read in the Windows Routing and Remote Access Service (RRAS) that can disclose memory contents to a remote attacker over the network. Background / Overview Routing and Remote Access Service (RRAS) is a long‑standing...
  4. CISA Adds 3 Actively Exploited KEV CVEs: Linux Kernel TOCTOU, Android ART, Sitecore RCE

    CISA’s latest update to the Known Exploited Vulnerabilities (KEV) Catalog adds three actively exploited flaws — a Linux kernel TOCTOU race condition, an Android Runtime issue, and a high‑impact Sitecore deserialization vulnerability — forcing organizations that track KEV and federal agencies...
  5. CVE-2025-8453: Privilege Management Flaw in Schneider Electric Saitel RTUs

    Schneider Electric has published an advisory—republished by CISA—about an improper privilege management vulnerability in its Saitel family of Remote Terminal Units (RTUs) that has been assigned CVE‑2025‑8453 and carries a CVSS v3.1 base score of 6.7, affecting Saitel DR RTU firmware versions...
  6. Windows 11 Security Gaps and Layered Defense: Beyond Defender

    Windows 11 ships with a far stronger security baseline than its predecessors, but real-world attackers and configuration gaps still find workarounds—meaning Defender and Windows Security are necessary, not sufficient, for modern threat defense. Background Windows 11’s built-in...
  7. AgentFlayer: Zero-Click Hijacks Threaten Enterprise AI

    Zenity Labs’ Black Hat presentation unveiled a dramatic new class of threats to enterprise AI: “zero‑click” hijacking techniques that can silently compromise widely used agents and assistants — from ChatGPT to Microsoft Copilot, Salesforce Einstein, and Google Gemini — allowing attackers to...
  8. CVE-2025-53766: GDI+ Heap Overflow and RCE Risk in Windows

    Microsoft’s own Security Update Guide lists a new vulnerability tracked as CVE-2025-53766, described as a heap-based buffer overflow in GDI+ that could allow remote code execution over a network, but independent public records and third‑party databases were not uniformly available at the time of...
  9. Windows Storage Port Driver Info Disclosure: Patch June 2025 (CVE-2025-32722)

    Note: I couldn’t find any authoritative record for CVE-2025-53156 in the major public vulnerability databases (MSRC / NVD / MITRE / CVE.circl / CVE Details) as of August 12, 2025. The Storage Port Driver information-disclosure vulnerability widely reported in Microsoft’s June 2025 updates is...
  10. CVE-2025-49743: Windows Graphics Race-Condition Privilege Escalation - Admin Guide

    Title: CVE-2025-49743 — Windows Graphics Component race-condition allows local privilege escalation: what admins need to know and do now Summary What it is: CVE-2025-49743 is an elevation-of-privilege (EoP) vulnerability in the Microsoft Graphics Component caused by a race condition (concurrent...
  11. Understanding CVE-2022-23278: Protecting Microsoft Defender for Endpoint from Spoofing Attacks

    Microsoft Defender for Endpoint has long stood as a central pillar in enterprise security, serving as the frontline defense against malware, phishing, and a myriad of sophisticated cyberattacks. However, even the strongest security solutions are not immune from vulnerabilities. In early 2022...
  12. Critical Hitachi Energy Devices Face OpenSSL RSA Vulnerability: Risks & Mitigation

    In a world increasingly reliant on digital control systems, the security of industrial devices is a pressing topic that spans energy utilities, manufacturers, and critical infrastructure operators worldwide. Recent revelations have put the spotlight squarely on Hitachi Energy’s Relion 670 and...
  13. Cisco ISE Vulnerability CVE-2025-20286 Highlights Cloud Security Risks of Shared Credentials

    An unrelenting pace of critical vulnerability disclosures continues to challenge organizations already burdened by the complexity of hybrid cloud networks, and the recent Cisco Identity Services Engine (ISE) flaw tracked as CVE-2025-20286 stands as a particularly stark example. Unveiled June 4...
  14. Critical Infrastructure Security Alert: Schneider EcoStruxure Rapsody Buffer Overflow Vulnerability (CVE-2025-3916)

    When trust in critical infrastructure depends on industrial control systems (ICS), even a moderate vulnerability merits close attention—especially when it surfaces in widely deployed energy sector software like Schneider Electric’s EcoStruxure Power Build Rapsody. Recently, a stack-based buffer...
  15. Windows Security Vulnerabilities May 2025: Critical Patches & Protecting Your Systems

    As security experts and IT administrators worldwide install the latest May security updates from Microsoft, a new wave of attacks targeting Windows platforms draws urgent attention to the persistent threats that cloud modern computing. Researchers have confirmed active exploitation of five...
  16. Deep Dive: How Marbled Dust Exploited Zero-Day Flaw in Output Messenger to Conduct Cyber-Espionage

    In the rapidly evolving landscape of cyber-espionage, the convergence of zero-day vulnerabilities, niche third-party communications software, and geopolitically motivated actors presents formidable risks for organizations in sensitive regions. The recent disclosure by Microsoft Threat...
  17. Critical Industrial Device Vulnerability: Protecting OT Systems Against JTAG Exploits

    Across the corridors of modern industry, from manufacturing plants to energy facilities, the seamless orchestration of machines is the lifeblood of progress. Yet as these operational technology (OT) environments become increasingly intricate, the threats lurking at their digital gates grow both...
  18. Medusa Ransomware Threat: How to Detect, Prevent, and Respond Effectively

    The cybersecurity threat landscape continues to evolve at a relentless pace, and one of the most persistent dangers facing organizations today is ransomware. Recent developments highlight growing concerns surrounding the Medusa ransomware variant, prompting a robust response from leading...
  19. Understanding and Acting on CISA's March 2025 ICS Security Advisories for Critical Infrastructure Resilience

    For cybersecurity professionals, IT managers, and anyone with a stake in the resilience of critical infrastructure, the regular stream of advisories from the Cybersecurity and Infrastructure Security Agency (CISA) has become essential reading. On March 11, 2025, CISA added to this vital body of...
  20. Introducing Windows Defender Application Guard for Microsoft Edge

    We’re determined to make Microsoft Edge the safest and most secure browser. Over the past two years, we have been continuously innovating, and we’re proud of the progress we’ve made. This is reflected by Microsoft Edge having the fewest vulnerabilities of any major browser on Windows since our...