office security

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 Update Guide lists CVE-2025-54910 as a heap-based buffer overflow in Microsoft Office that can allow an attacker to execute code locally when a crafted Office document is processed, but the vendor’s advisory requires direct inspection for exact builds and KB identifiers...

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 Security Update Guide lists CVE-2025-55243 as a spoofing vulnerability in Microsoft OfficePlus that can lead to the exposure of sensitive information and enable an attacker to perform spoofing over a network, but key public mirrors and automated scrapers offer limited or inconsistent...

Microsoft’s advisory link for CVE-2025-54908 points to a PowerPoint use‑after‑free that “allows an unauthorized attacker to execute code locally,” but that specific CVE number could not be corroborated in public vulnerability trackers at the time of verification; when attempting to load the...

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...

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...

Microsoft’s decision to stop issuing security updates for Office 2016 and Office 2019 on October 14, 2025 forces a clear choice on millions of users and IT teams: upgrade to a supported platform, migrate to Microsoft 365, or accept the operational and security trade-offs of third‑party...

The Indian Computer Emergency Response Team (CERT-In) on 18 August 2025 issued a high‑risk advisory warning that multiple critical vulnerabilities across Microsoft’s product portfolio place millions of Windows and Office users in India — from home desktops to enterprise Azure deployments — at...

Microsoft’s August security roll-up arrived with muscle: a broad set of fixes across Windows, Office, Hyper‑V, RRAS, and Edge that closes dozens of high‑risk holes — but the tally of affected CVEs, the presence of a publicly disclosed Kerberos issue, and multiple graphics‑parsing remote code...

A newly disclosed memory-corruption flaw in Microsoft Word—tracked as CVE-2025-53784—has been classified as a use-after-free vulnerability that can allow an attacker to execute code locally when a victim opens or previews a specially crafted document. Microsoft’s Security Update Guide lists this...

CVE-2025-53740 — Microsoft Office “use‑after‑free” (local code execution) An in‑depth feature for security teams, admins and threat hunters Summary (tl;dr) CVE-2025-53740 is reported by Microsoft as a use‑after‑free (CWE‑416) memory‑corruption flaw in Microsoft Office that can allow an attacker...

Microsoft’s Security Response Center has published an advisory listing CVE-2025-53739 — an Excel vulnerability described as “Access of resource using incompatible type (‘type confusion’)” that can lead to code execution when a crafted spreadsheet is processed by the desktop client. Background /...

I can write that feature article, but a quick verification step first — I could not find any public record for CVE‑2025‑53738 in Microsoft’s Update Guide, NVD, MITRE or other CVE aggregators. I did search MSRC (the link you provided requires JavaScript to render) and public databases for that...

Microsoft has confirmed a use‑after‑free vulnerability in Microsoft Office Visio — tracked as CVE‑2025‑53734 — that can be triggered when a user opens a specially crafted Visio file and may allow an attacker to execute code in the context of the current user; Microsoft’s advisory entry is live...

Microsoft’s Security Update Guide lists CVE-2025-53736 as a Microsoft Word information-disclosure vulnerability caused by a buffer over-read in Word that can allow an unauthorized local actor to read memory and disclose sensitive information on a victim machine; administrators are strongly...

Microsoft has confirmed a use‑after‑free vulnerability in Microsoft Excel (tracked as CVE‑2025‑53735) that can lead to local code execution when a crafted spreadsheet is opened — a serious document‑based attack vector that demands immediate attention from IT teams and security‑minded users...

Headline: CVE-2025-53733 — What you need to know about the new Microsoft Word RCE caused by incorrect numeric conversions Lede: Microsoft has published advisory CVE-2025-53733 for a remote‑code‑execution class bug in Microsoft Office Word described as an “incorrect conversion between numeric...

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...