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...
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...
A high‑risk elevation‑of‑privilege vulnerability affecting Microsoft Azure Arc has been disclosed and patched — but the public tracking and identifier details are messy, and administrators must act now to confirm which of their Arc installations are affected, apply vendor fixes, and harden local...
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)...
CVE-2025-49736 — Microsoft Edge (Chromium) for Android: UI‑spoofing / “UI performs the wrong action” vulnerability
A deep-dive explainer, impact assessment, and practical mitigation checklist
Summary
Microsoft’s Security Update Guide lists CVE‑2025‑49736 as affecting Microsoft Edge...
Microsoft’s advisory for CVE-2025-53726 warns that a type‑confusion bug in the Windows Push Notifications stack can allow an authorized local user to elevate privileges to SYSTEM, and administrators must treat the advisory as a high‑priority patching item while hardening detection and...
cve-2025-53726
cyber hygiene
edr
eop
incident response
least privilege
local attack
memory corruption
patch management
patching
privilege escalation
threat detection
threatintel
type confusion
win32k
windows 10
windows 11
windows push notifications
windows security
windows server
Title: CVE-2025-53131 — What Windows admins need to know about the new Windows Media RCE (heap-based buffer overflow)
Summary (TL;DR)
CVE-2025-53131 is a heap-based buffer overflow in Windows Media components that can allow remote, unauthenticated attackers to execute arbitrary code over a...
A newly disclosed vulnerability in the Windows Distributed Transaction Coordinator (MSDTC) — tracked as CVE-2025-50166 — stems from an integer overflow or wraparound in the MSDTC code path and can allow an authorized attacker to disclose memory-resident information over a network connection...
Microsoft's Security Response Center lists CVE-2025-50161 as a heap-based buffer overflow in the Win32K GRFX subsystem that allows an authorized local attacker to elevate privileges, and administrators should treat this as a high-priority patching item for all affected Windows hosts...