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...
Microsoft's advisory confirms a use‑after‑free flaw in Microsoft Excel that can lead to local code execution when a specially crafted spreadsheet is opened, creating a potentially serious escalation path on unpatched systems.
Overview
This vulnerability, tracked as CVE‑2025‑54904, is listed in...
A newly disclosed Microsoft Excel vulnerability tracked as CVE-2025-54902 is an out‑of‑bounds read flaw in Excel’s file‑parsing logic that Microsoft warns could allow an attacker to achieve code execution on a targeted machine when a user opens a specially crafted spreadsheet, and organizations...
Microsoft’s security tracker lists CVE-2025-54898 as an out-of-bounds read vulnerability in Microsoft Excel that can be triggered by a crafted spreadsheet and may allow an attacker to achieve local code execution when a user opens a malicious file.
Background
Microsoft Excel remains one of the...
Quick clarification before I write the 2,000+ word WindowsForum-style article:
I searched the files you provided and they repeatedly reference a closely numbered Excel heap‑overflow CVE as CVE‑2025‑53741 (Microsoft’s Security Update Guide entry) rather than CVE‑2025‑53737. c:
CVE‑2025‑53737...
Note: I checked the Microsoft Security Response Center (MSRC) entry you linked and reviewed public vulnerability feeds while preparing this article. The MSRC page for CVE-2025-53759 is the primary source for the vulnerability statement; I also cross‑checked public advisories and CISA summaries...
Microsoft Excel has recently been identified with a significant security vulnerability, designated as CVE-2025-48812. This flaw, classified as an out-of-bounds read, allows unauthorized local attackers to access sensitive information by reading data beyond the allocated memory boundaries within...
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Microsoft Excel has long been a workhorse for business, finance, and everyday productivity. However, even the most trusted tools can harbor hidden dangers. Recently, a new vulnerability—CVE-2025-27750—has come to light, targeting Microsoft Office Excel through a classic “use-after-free” flaw. In...
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Introduction
Let's delve into this recent vulnerability, its implications, and what Windows users and administrators should know. In a world where digital threats lurk around every corner, Microsoft is no stranger to vulnerabilities, especially in widely-used applications like Excel. The recent...