A routine security update intended to tighten Windows kernel defenses has instead opened a new attack vector: a reliably exploitable information‑disclosure bug tracked as CVE‑2025‑53136 that leaks kernel addresses on Windows 11 and Windows Server 2022 24H2 builds. The vulnerability—rooted in...
A new, industrialized phishing service called VoidProxy is being used by multiple criminal groups to intercept Google and Microsoft sign-ins in real time, harvest credentials, MFA responses and — critically — session cookies that let attackers impersonate users without needing passwords or...
Windows' built‑in security toolbox is larger and more capable than it has ever been, but several of its most visible safeguards can — paradoxically — reduce real‑world security when design and deployment interact with human behavior and system performance. Four features in particular — User...
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...
Microsoft’s security advisory confirms a use‑after‑free defect in the BitLocker stack that can be triggered by an authorized local user to escalate privileges on affected Windows systems — administrators must treat CVE‑2025‑54912 as an urgent patching priority and assume a high‑impact threat...
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...
cve-2025-54915
cybersecurity
edr
endpoint security
firewall service
incident response
least privilege
local privilege escalation
mitigation
mpssvc
network security
patch tuesday
privilege escalation
threat detection
type confusion
vulnerability
windows defender
windows security
windows server
Microsoft has published an advisory for CVE-2025-54900, a heap‑based buffer overflow in Microsoft Excel that can allow an attacker to execute code on a victim machine when a crafted spreadsheet is opened — an issue administrators and home users should treat as high priority for patching and...
Improper access control in Windows MultiPoint Services (CVE-2025-54116) allows a locally authorized attacker to elevate their privileges on an affected host. (msrc.microsoft.com)
Executive summary
What it is: CVE-2025-54116 is an elevation-of-privilege (EoP) vulnerability in Microsoft’s Windows...
Microsoft released a September 9, 2025 hotpatch—KB5065474—for Windows 11 Enterprise LTSC 2024 that advances hotpatch coverage to a new OS build (26100.6508), addresses a notable UAC/MSI compatibility issue, and includes a known‑issue advisory that affects PowerShell Direct (PSDirect)...
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...
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...
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...
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 Response Center (MSRC) has published an advisory for CVE-2025-54103 describing a use‑after‑free flaw in the Windows Management Service that can allow an unauthorized local user to elevate privileges on a vulnerable host. The vendor-classification marks this as an...
admin jump hosts
cve-2025-54103
cyber security
edr
eop
incident response
least privilege
local privilege escalation
memory corruption
msrc advisory
patch management
patch rollout
service security
threat hunting
use-after-free
vulnerability detection
windows management service
windows os
windows security update
Microsoft’s advisory classifies CVE-2025-53810 as a local elevation‑of‑privilege (EoP) in a privileged Windows service that results from “access of resource using incompatible type” (a type‑confusion memory safety bug); Microsoft lists the issue in its Security Update Guide and recommends...
Microsoft’s Security Response Guide lists CVE‑2025‑53800 as an Elevation of Privilege in the Windows Graphics Component that can be triggered by an authorized local attacker, but the publicly available advisory lacks full technical detail and additional contextual data remains limited at the...
Microsoft has published an advisory for CVE-2025-53801: an untrusted pointer dereference in the Windows Desktop Window Manager (DWM) Core Library that can be triggered by an authorized local user to elevate privileges on affected systems. The flaw resides in DWM’s memory handling and, when...
Microsoft’s advisory identifies CVE-2025-53803 as a Windows Kernel memory information disclosure vulnerability: an error message generated by kernel code can contain sensitive kernel memory contents, allowing an authenticated local actor to read data that should remain protected.
Background
The...
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...
Title: CVE confusion and the real risk — Xbox Gaming Services “link following” elevation-of-privilege explained
Lede
Short version for busy admins: the Xbox Gaming Services elevation‑of‑privilege flaw widely discussed in 2024/2025 is indexed publicly as CVE-2024-28916 (CWE‑59: Improper link...