network security

Executive Summary Microsoft has released a security update addressing a new heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS), tracked as CVE-2025-54113. The flaw could allow remote code execution (RCE) if exploited, and administrators are strongly urged to patch...

Microsoft’s advisory for a newly referenced HTTP.sys vulnerability describes an out‑of‑bounds read in the Windows HTTP protocol stack that can be triggered remotely against Internet Information Services (IIS) and other HTTP.sys consumers, allowing an unauthenticated attacker to cause a...

Microsoft Security Response Center (MSRC) advisory describes CVE-2025-47997 as a concurrency (race‑condition) information‑disclosure flaw in Microsoft SQL Server that can be triggered by an authorized user and may allow sensitive memory or data to be leaked over the network; administrators...

CVE-2025-55225 is an out‑of‑bounds read (information‑disclosure) vulnerability in the Windows Routing and Remote Access Service (RRAS) that can allow a remote attacker to cause RRAS to return memory contents it should not disclose. Overview What it is: an out‑of‑bounds read /...

Microsoft’s advisory identifies CVE-2025-54101 as a use‑after‑free vulnerability in the Windows SMBv3 Client that can be triggered over a network and may allow an attacker to execute arbitrary code in the context of the affected process. This is a serious client‑side remote code execution (RCE)...

Microsoft has confirmed CVE-2025-53798 — an information-disclosure vulnerability in the Windows Routing and Remote Access Service (RRAS) — and released a vendor update; administrators who run RRAS must treat exposed RRAS endpoints as high-priority to remediate or isolate until patches are...

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...

Microsoft has published an advisory for CVE-2025-54096, a vulnerability in the Windows Routing and Remote Access Service (RRAS) that allows an out-of-bounds read and can be abused by a remote attacker to disclose sensitive information over a network — a high-priority fix for any server running...

Microsoft’s security team has published an advisory for an information‑disclosure bug in the Windows Routing and Remote Access Service (RRAS) — tracked as CVE‑2025‑53797 — describing an out‑of‑bounds / uninitialized‑resource read that can allow an attacker to obtain memory contents across the...

Microsoft has added built‑in auditing to help administrators safely roll out two proven SMB server hardening features—SMB Server signing and SMB Server Extended Protection for Authentication (EPA)—so that organizations can discover compatibility gaps before they require those hardening controls...

Microsoft confirmed that parts of its Azure cloud experienced increased latency and routing disruption after multiple undersea fiber-optic cables in the Red Sea were damaged, forcing traffic to be rerouted through longer, less direct paths and raising fresh questions about the fragility of...

A compact but sophisticated campaign tracked as GhostRedirector has infected at least 65 Internet‑facing Windows IIS servers and paired a stealthy native backdoor with an in‑process IIS module to run a covert, profitable SEO fraud operation that pushes third‑party gambling sites while leaving...

Breaking Down CVE-2025-54914 — Azure Networking Elevation‑of‑Privilege (what admins need to know) Summary Microsoft has published a Security Update Guide entry for CVE-2025-54914, an elevation‑of‑privilege issue that Microsoft lists under its Azure Networking surface. Administrators should...

Azure Arc is becoming the practical replacement many enterprises need after Microsoft signaled the deprecation of Windows Server Update Services (WSUS), and for organizations that want to centralize patching across on-premises servers and Azure VMs the recommended route is to Arc‑enable servers...

CISA’s KEV catalog grew again this week with the addition of two high‑risk router flaws tied to active exploitation, underscoring an uncomfortable reality for IT teams: inexpensive consumer and small‑office routers remain a prime target for adversaries and can pose outsized risk to enterprise...

Windows 11 gives enthusiasts a stronger baseline, but a Virtual Private Network (VPN) remains the most practical way to extend that protection across networks, locations, and services—turning a secure machine into a truly private and travel‑ready workspace. Overview Microsoft has repeatedly...

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...

If you manage servers, opening a port in the Windows Server firewall is one of those routine tasks that’s trivial to execute but easy to get wrong — and a single misconfiguration can expose services to the public internet. This feature explains the exact, supported ways to open ports in Windows...

China-linked state actors have spent the last several years systematically compromising backbone and edge networking equipment — from provider-edge routers to customer-facing devices — to build a global espionage capability that steals subscriber metadata, intercepts authentication traffic, and...

CISA and partner agencies have issued a sharply worded joint Cybersecurity Advisory warning that People’s Republic of China (PRC) state‑sponsored Advanced Persistent Threat (APT) actors have been compromising global telecommunications and critical‑infrastructure networks by targeting...