CVE-2026-77911HighCVSS 6.5
Microsoft Office Word Information Disclosure Vulnerability
🔗 CVE IDs covered (1)
📋 Description
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
🎯 Affected products13
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
- Microsoft Office 2019 for 32-bit editions
- Microsoft Office 2019 for 64-bit editions
- Microsoft Office 365 for Mac
- Microsoft Office LTSC 2021 for 32-bit editions
- Microsoft Office LTSC 2021 for 64-bit editions
- Microsoft Office LTSC 2024 for 32-bit editions
- Microsoft Office LTSC 2024 for 64-bit editions
- Microsoft Office LTSC for Mac 2021
- Microsoft Office LTSC for Mac 2024
- Microsoft Word 2016 (32-bit edition)
- Microsoft Word 2016 (64-bit edition)
✅ Remediation
KBClick to Run (Security Update) — fixed build https://aka.ms/OfficeSecurityReleases KBRelease Notes (Security Update) — fixed build 16.0.17932.20960 KB5002923 (Security Update) — fixed build 16.0.5569.1002