CVE-2026-20948HighCVSS 7.8
Microsoft Word Remote Code Execution Vulnerability
🔗 CVE IDs covered (1)
📋 Description
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
🎯 Affected products14
- 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 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 SharePoint Enterprise Server 2016
- Microsoft SharePoint Server 2019
- Microsoft Word 2016 (32-bit edition)
- Microsoft Word 2016 (64-bit edition)
✅ Remediation
KB5002828 (Security Update) — fixed build 16.0.5535.1001 KB5002827 (Security Update) — fixed build 16.0.5535.1000 KB5002825 (Security Update) — fixed build 16.0.10417.20083 KB5002823 (Security Update) — fixed build 16.0.10417.20083 KBClick to Run (Security Update) — fixed build https://aka.ms/OfficeSecurityReleases KBRelease Notes (Security Update) — fixed build 16.105.26011018 KB5002829 (Security Update) — fixed build 16.0.5535.1000
🔗 References (13)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20948
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108518
- referencehttps://support.microsoft.com/help/5002828
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108519
- referencehttps://support.microsoft.com/help/5002827
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108525
- referencehttps://support.microsoft.com/help/5002825
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108520
- referencehttps://support.microsoft.com/help/5002823
- referencehttps://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
- patchhttps://go.microsoft.com/fwlink/p/?linkid=831049
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108524
- referencehttps://support.microsoft.com/help/5002829