Microsoft Office Word
CVE-2026-80079 — Microsoft Office Word Information Disclosure Vulnerability
Important
2026-09 archive
Executive Summary
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Overview
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
EPSS Score
No EPSS score available for this CVE.
View on FIRST.orgAffected Products
10 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft 365 Apps for Enterprise for 32-bit Systems | Release Notes (Security Update) |
Important | Information Disclosure | Unknown |
| Microsoft 365 Apps for Enterprise for 64-bit Systems | Release Notes (Security Update) |
Important | Information Disclosure | Unknown |
| Microsoft Office 2019 for 32-bit editions | Release Notes (Security Update) |
Important | Information Disclosure | Unknown |
| Microsoft Office 2019 for 64-bit editions | Release Notes (Security Update) |
Important | Information Disclosure | Unknown |
| Microsoft Office LTSC 2021 for 32-bit editions | Release Notes (Security Update) |
Important | Information Disclosure | Unknown |
| Microsoft Office LTSC 2021 for 64-bit editions | Release Notes (Security Update) |
Important | Information Disclosure | Unknown |
| Microsoft Office LTSC 2024 for 32-bit editions | Release Notes (Security Update) |
Important | Information Disclosure | Unknown |
| Microsoft Office LTSC 2024 for 64-bit editions | Release Notes (Security Update) |
Important | Information Disclosure | Unknown |
| Microsoft Word 2016 (32-bit edition) | 5002923 (Security Update) |
Important | Information Disclosure | Unknown |
| Microsoft Word 2016 (64-bit edition) | 5002923 (Security Update) |
Important | Information Disclosure | Unknown |
Patches
2 patches
| Article | Type | Restart |
|---|---|---|
Release Notes |
Security Update | Unknown |
5002923 |
Security Update | Unknown |
Exploits & PoC
No public exploit or PoC has been linked for this CVE yet. When available, references are sourced from public repositories and may be unverified or non-functional — review carefully before use.
Detection Rules
No public Sigma or Nuclei detection rule has been mapped to this CVE yet. Coverage is concentrated on exploited / high-profile vulnerabilities; check SigmaHQ for updates.
Acknowledgments
References
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