Microsoft’s September 2025 Patch Tuesday shipped a wide-ranging set of fixes addressing 80 CVEs across Windows, Office, virtualization, and platform components — with eight rated Critical and 72 rated Important — and included several high-profile fixes for SMB, NTLM, NTFS, Office, SharePoint...
Microsoft’s advisory URL for CVE-2025-55227 does not resolve to a public advisory, and the identifier CVE-2025-55227 cannot be located in Microsoft’s Security Update Guide or the major vulnerability databases; the evidence available instead points to a closely related Microsoft SQL Server...
Microsoft’s advisory for CVE-2025-55224 describes a concurrency flaw in the Windows kernel graphics component (Win32K — GRFX) that can be manipulated by an authorized local actor to gain code execution or elevate privileges on an affected system; the bug is a race condition (improper...
Microsoft’s security update guide lists CVE‑2025‑54911 as a use‑after‑free defect in Windows BitLocker that can be triggered by an authorized local user to elevate privileges on affected machines, creating a high‑impact local elevation‑of‑privilege risk that administrators must treat as urgent...
Microsoft’s advisory classifies CVE-2025-54901 as a buffer over-read (out‑of‑bounds read) in Microsoft Office Excel that can disclose process memory contents when a crafted spreadsheet is opened.
Executive summary
What it is: CVE-2025-54901 is an information‑disclosure vulnerability in...
Microsoft’s terse advisory that “concurrent execution using a shared resource with improper synchronization (‘race condition’) in Windows Hyper‑V allows an authorized attacker to elevate privileges locally” is the single-line summary administrators need to treat as urgent: this is a Hyper‑V race...
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...
Windows’ long-standing URL zoning system has been shown to contain a dangerous weakness: an improper resolution of path equivalence in the MapUrlToZone API that can allow an attacker to bypass security zoning and make remote or network resources appear more trusted than they are.
Overview...
Microsoft has published an advisory for CVE-2025-54105 — a local elevation-of-privilege vulnerability in the Microsoft Brokering File System (BFS) caused by a concurrency bug (race condition) that can be exploited by an authenticated local user to gain elevated rights on the host...
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...
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 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...
Below is a long-form, operationally focused feature article about the vulnerability you cited. It summarizes what is known, flags what I could not independently corroborate, cross‑references multiple vendor sources, and gives prioritized, actionable remediation, detection, and incident‑response...
A newly disclosed vulnerability in Windows Routing and Remote Access Service (RRAS) — tracked as CVE-2025-53806 in the Microsoft Security Response Center entry provided by the reporter — is an out‑of‑bounds read / buffer over‑read that can allow an attacker to obtain memory contents from an...
Microsoft’s advisory that an improper authentication vulnerability in Windows NTLM can let an authenticated actor elevate privileges over the network is the latest warning flag in a year already crowded with NTLM-related incidents and active exploitation chains. The vendor entry the user...
Microsoft has published an advisory for CVE-2025-54903, a use‑after‑free vulnerability in Microsoft Excel that can lead to local code execution when a victim opens a specially crafted spreadsheet — a document‑based remote code execution (RCE) risk that should be treated as high priority for both...
Microsoft’s security tracker now lists CVE-2025-54899 as a memory-safety flaw in Microsoft Excel that can lead to local code execution when a crafted spreadsheet is opened — an entry that joins a steady stream of Excel parsing bugs that remain a favored initial-access vector for attackers...
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...
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. (msrc.microsoft.com)
Background / Overview
Routing and Remote Access Service (RRAS)...
Rockwell Automation’s FactoryTalk Optix has a newly publicized vulnerability that demands immediate attention from OT and IT teams: a lack of URI sanitization in the product’s embedded MQTT broker allows remote loading of Mosquitto plugins and can lead to remote code execution (RCE), affecting...