Office Security
The latest Office Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft's Hidden PowerPoint Flaw: Why CVE-2025-54908 Evades Verification but Demands Action
A newly surfaced Microsoft advisory for CVE-2025-54908 warns of a use-after-free vulnerability in PowerPoint that could allow an unauthorized attacker to execute code locally. However, when security...
Urgent Excel Security Fix: Use-After-Free Bug Opens Door to Code Execution — Mac LTSC Patches Delayed
Microsoft has issued a security advisory for CVE-2025-54903, a critical use-after-free vulnerability in Microsoft Excel that allows an attacker to execute code locally when a victim opens a...
CVE-2025-54902: Excel Out-of-Bounds Read Flaw Could Let Attackers Seize PCs—Mac Updates Still Missing
Microsoft has released a security update for a critical out-of-bounds read vulnerability in Excel that could allow remote code execution—but the patch is not yet available for Mac users. Tracked as...
Microsoft Patches Excel Vulnerability CVE-2025-54898: Out-of-Bounds Read Could Allow Code Execution
Microsoft has issued a security update for CVE-2025-54898, an out-of-bounds read vulnerability in Microsoft Excel that could be exploited by attackers to achieve local code execution when a user...
No Microsoft ESU for Office 2016/2019: 0patch Offers Critical Micropatching Lifeline After 2025 Cutoff
Microsoft will permanently cut off security updates for Office 2016 and Office 2019 on October 14, 2025, and unlike Windows 10, there will be no paid Extended Security Updates (ESU) program to soften...
India’s CERT-In Issues High-Risk Alert as Microsoft’s August Patch Fixes Zero-Day and 110+ Other Vulnerabilities
India’s Computer Emergency Response Team (CERT-In) issued a high-risk advisory on August 18, 2025, warning that millions of Windows, Office, and Azure users face looming danger unless they...
Microsoft’s August Patches Slam Shut 107+ Holes, Including Public Kerberos Flaw and Critical GDI+ RCE
On August 12, 2025, Microsoft’s monthly Patch Tuesday arrived with a payload heavy enough to keep IT admins working through the night. The security slate covers at least 107 distinct...
Critical Word Flaw CVE-2025-53784 Lets Attackers Hijack PCs via Malicious Docs — Patch Immediately
Microsoft’s latest security advisory warns of a memory-corruption flaw in Word—CVE-2025-53784—that hands attackers a local-code-execution foothold from nothing more than a booby-trapped...
CVE-2025-53740: Urgent Patch Needed as Office Use-After-Free RCE Threatens Enterprise Security
Microsoft has confirmed a critical use-after-free vulnerability in Microsoft Office, tracked as CVE-2025-53740, that could let attackers run arbitrary code when a user opens a maliciously crafted...
Microsoft Issues Advisory for Critical Excel RCE Flaw CVE-2025-53739, Urges Immediate Patching
A newly discovered vulnerability in Microsoft Excel, tracked as CVE-2025-53739, could allow attackers to execute arbitrary code on victims' machines simply by convincing them to open a specially...
CVE-2025-47957: Decoding Microsoft’s Critical Word Use-After-Free Vulnerability
Microsoft’s security team recently pushed out a fix for a critical vulnerability in Microsoft Word that, if left unpatched, could give attackers a direct path to executing malicious code on a...
CVE-2025-53734: Patch Visio Use-After-Free RCE Before Attackers Exploit Document Flaw
Microsoft has released a security update for a use-after-free vulnerability in Microsoft Visio that allows attackers to execute arbitrary code simply by having a victim open a maliciously crafted...