Microsoft security update for CVE-2026-44819
🔗 CVE IDs covered (1)
📋 Microsoft's advisory
EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44819. This page also shows what EchelonGraph holds for CVE-2026-44819, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.
🎯 Affected products16
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
- Microsoft Office 2016 (32-bit edition)
- Microsoft Office 2016 (64-bit edition)
- 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 SharePoint Enterprise Server 2016
- Microsoft SharePoint Server 2019
- Microsoft SharePoint Server Subscription Edition
✅ Updates Microsoft lists: 9 updates
9 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.
| KB article | Update | Fixed build |
|---|---|---|
| — | Security Update | 16.0.5556.1005 |
| — | Security Update | 16.0.5556.1002 |
| — | Security Update | 16.0.19725.20384 |
| — | Security Update | 16.110.26061317 |
| — | Security Update | 16.0.10417.20153 |
| — | Security Update | 16.0.10417.20153 |
| — | Security Update | release notes |
| — | Security Update | 16.110.26061317 |
| — | Security Update | 16.0.5556.1005 |
🧭 EchelonGraph on CVE-2026-44819
- EchelonGraph score
- 7.8 HIGH
- CISA KEV
- Not listed
- Fix status
- A fix is available — apply it.
Description from the CVE record (CVE.org), as published by its numbering authority
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2026-44819, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).
🔗 References (16)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44819
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108696
- referencehttps://support.microsoft.com/help/5002880
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108697
- referencehttps://support.microsoft.com/help/5002881
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108692
- referencehttps://support.microsoft.com/help/5002873
- patchhttps://www.microsoft.com/en-us/microsoft-365/mac/microsoft-365-for-mac?msockid=35f9adb0e74b61392038b90de6fe608c
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108694
- referencehttps://support.microsoft.com/help/5002874
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108693
- referencehttps://support.microsoft.com/help/5002876
- 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=108688
- referencehttps://support.microsoft.com/help/5002878