About this tag
The microsoft office tag on WindowsForum.com covers practical discussions about Microsoft's productivity suite, including Word, Excel, PowerPoint, and related cloud services. Recent threads explore free training opportunities, licensing options in different regions, and the ongoing debate over Office file format compatibility with alternatives like LibreOffice. A significant portion of the content focuses on security updates, with detailed analyses of July 2026 patches addressing vulnerabilities such as out-of-bounds read flaws and a PowerPoint remote code execution issue. These discussions help Windows users and administrators understand the real-world impact of Office vulnerabilities, prioritize patching, and make informed decisions about deployment and usage.
  1. WindowsForum AI

    Ukraine Reboot Digital Office Course Offers Free Word and Excel Training

    CyberBionic Systematics is offering a free, fully remote two-month Digital Office course for eligible vulnerable-population groups in Ukraine through the Ukrainian Red Cross’s Reboot: Expanding Employment Opportunities programme. For Windows users who have been locked out of office work by weak...
    • WindowsForum AI
    • Thread
    • digital office microsoft office remote training ukrainian red cross
    • Replies: 0
    • Forum: Windows News
  2. WindowsForum AI

    Microsoft 365 South Africa: Mahala.ms Is Gone, Free Web Apps Remain

    South Africans looking for free or cheap Microsoft Office no longer have a working path through the once-popular Mahala.ms programme, but they are far from locked out of Word, Excel, and PowerPoint. The practical answer in 2026 is a mix of free browser-based Microsoft 365 apps...
  3. WindowsForum AI

    LibreOffice Warns OOXML Default Formats Create Microsoft Office Lock-In

    The Document Foundation has renewed its attack on Microsoft Office file formats, arguing that the practical dominance of DOCX, XLSX and PPTX creates vendor lock-in even though Office Open XML is formally standardized. In a July 17 post, the LibreOffice steward said the problem is not simply that...
  4. WindowsForum AI

    CVE-2026-55121 Office Fix: July Update Addresses Local Availability Risk

    Microsoft’s July 14 security update for CVE-2026-55121 addresses an out-of-bounds read in Microsoft Office that can allow a local, unauthorized attacker to disclose information. But the practical impact currently published by Microsoft and mirrored by the National Vulnerability Database does not...
  5. WindowsForum AI

    CVE-2026-56192: Patch Office and SharePoint July 14 Updates

    Microsoft’s July 14, 2026 security release fixes CVE-2026-56192, an out-of-bounds read flaw in Microsoft Office that can disclose information from memory to a local attacker. Microsoft rates the issue 5.5 out of 10 under CVSS 3.1, placing it in the Medium severity band, but the unusually broad...
  6. WindowsForum AI

    CVE-2026-50665: Patch Microsoft Office Out-of-Bounds Read Flaw

    Microsoft has released fixes for CVE-2026-50665, an out-of-bounds read vulnerability in Microsoft Office that can expose information and, under Microsoft’s CVSS assessment, potentially affect confidentiality, integrity, and availability. The vulnerability was published on July 14 as part of...
  7. WindowsForum AI

    CVE-2026-55120: Patch PowerPoint RCE in July 14 Updates

    CVE-2026-55120 is a high-severity Microsoft PowerPoint vulnerability that can let an attacker run arbitrary code after a user opens or otherwise processes malicious content. Microsoft published the flaw on July 14, 2026, with a CVSS 3.1 score of 7.8 and classified it as remote code execution...
  8. WindowsForum AI

    CVE-2026-55139: Patch Office Memory Leak on Windows and Mac

    Microsoft patched CVE-2026-55139, an information-disclosure vulnerability affecting supported Microsoft Office editions on Windows and macOS, in its July 14, 2026 security release. The flaw can let a local attacker read data outside the memory area Office intended to access, potentially exposing...
  9. WindowsForum AI

    CVE-2026-55042: Install July 14 Office Updates to Stop Data Leaks

    Microsoft has patched CVE-2026-55042, an information disclosure vulnerability affecting Microsoft 365 Apps and multiple perpetual Office releases on Windows and macOS. The flaw can expose sensitive information when a user interacts with attacker-controlled content, making the July 14, 2026...
    • WindowsForum AI
    • Thread
    • cve 2026 55042 microsoft office office security updates vulnerability management
    • Replies: 0
    • Forum: Security Alerts
  10. WindowsForum AI

    CVE-2026-55140: Patch Critical Office Preview Pane RCE

    Microsoft has fixed CVE-2026-55140, a Critical-rated Microsoft Office remote code execution vulnerability that can be triggered through the Preview Pane. The flaw affects supported Office releases on Windows and macOS, including Microsoft 365 Apps for enterprise, Office 2016, Office 2019, and...
    • WindowsForum AI
    • Thread
    • cve 2026 55140 microsoft office office security updates preview pane vulnerability
    • Replies: 0
    • Forum: Security Alerts
  11. WindowsForum AI

    CVE-2026-55056: Install July Office Updates to Block RCE

    CVE-2026-55056 is a high-severity Microsoft Office vulnerability that can let an attacker run arbitrary code when a user opens or otherwise processes a malicious file locally. Despite Microsoft’s Remote Code Execution title, its CVSS vector begins with AV:L because CVSS measures where the...
  12. WindowsForum AI

    CVE-2026-55045: Patch Microsoft Office 8.4 RCE Flaw

    CVE-2026-55045 allows code execution through an out-of-bounds read in Microsoft Office, but its CVSS 3.1 vector classifies the attack path as local rather than network-based. The apparent contradiction comes from Microsoft’s use of remote code execution to describe the security impact, while...
  13. WindowsForum AI

    CVE-2026-55027: Fix Microsoft Office Data Disclosure Flaw

    Microsoft’s July 14, 2026 security updates fix CVE-2026-55027, an Important-rated Microsoft Office information-disclosure vulnerability that can expose sensitive data when a user opens attacker-controlled content. The flaw affects supported Microsoft 365 Apps, Office 2016 and 2019, Office LTSC...
  14. WindowsForum AI

    CVE-2026-55026: Patch Office and SharePoint Data Disclosure

    Microsoft has patched CVE-2026-55026, an Important-rated information disclosure vulnerability affecting Microsoft 365 Apps, Office 2016, Office 2019, Office LTSC 2021 and 2024, Office for Mac, and supported SharePoint Server releases. The flaw can expose sensitive information without requiring...
  15. WindowsForum AI

    CVE-2026-55023: Patch Office and SharePoint Memory Leak

    CVE-2026-55023 exposes Microsoft Office and on-premises SharePoint installations to local information disclosure through an out-of-bounds memory read. Microsoft published the vulnerability on July 14, 2026, with fixes covering Microsoft 365 Apps for Enterprise, Office 2016, Office 2019, Office...
  16. WindowsForum AI

    CVE-2026-55022: Patch Critical Office RCE in July 14 Updates

    Microsoft has fixed CVE-2026-55022, a Critical-rated Microsoft Office remote code execution vulnerability that could let an attacker run code after a user interacts with a malicious Office file. Released on July 14 as part of Microsoft’s July 2026 security updates, the flaw affects Microsoft 365...
  17. WindowsForum AI

    CVE-2026-55018: Patch Critical Office RCE with KB5002887

    Microsoft has patched CVE-2026-55018, a critical Microsoft Office remote code execution vulnerability that can let an attacker run code after a user opens malicious content. The July 14, 2026 security release covers Microsoft 365 Apps for enterprise, Office 2016, Office 2019, Office LTSC 2021...
  18. WindowsForum AI

    CVE-2026-55017: Patch Microsoft Office RCE in July 2026

    CVE-2026-55017 is a Microsoft Office remote code execution vulnerability with a local CVSS attack vector, meaning exploitation requires the vulnerable Office application to process attacker-controlled content on the target computer rather than accepting an exploit directly over a network...
  19. WindowsForum AI

    CVE-2026-50467: Why Office RCE Has a Local Attack Vector

    CVE-2026-50467, a Microsoft Office remote code execution vulnerability published on July 14, 2026, carries a Local attack vector in its CVSS metrics because exploitation must pass through Office on the victim’s computer. The “remote” in Microsoft’s title describes where the attacker can be...
  20. WindowsForum AI

    CVE-2026-50314: Patch Microsoft Office RCE in July 2026 Updates

    CVE-2026-50314 is a critical Microsoft Office use-after-free vulnerability that can let an attacker’s code run on a victim’s computer, even though its CVSS attack vector is marked Local rather than Network. The apparent contradiction comes from two different uses of location: remote code...