CVE-2026-70206 Details
Description
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
A vulnerability allowing out-of-bounds read has been identified in Microsoft Office Word. This issue could enable an unauthorized attacker to disclose information over a network. The vulnerability arises from improper memory handling, which could allow attackers to read portions of heap memory.
Security updates for this vulnerability are available for multiple Microsoft Office products. Users should ensure that they have installed the latest security updates. For Microsoft Office LTSC for Mac 2021 and 2024, the security update is available. Instructions for downloading the security update can be found in the Microsoft 365 Apps Security Update Release Notes.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Oct 13, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70206 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft 365 apps | All versions |
CPE
Remediation
| |
| microsoft microsoft 365 | All versions |
CPE
Remediation
| |
| microsoft office 2021 | All versions |
CPE
Remediation
| |
| microsoft office 2024 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 15, 2026 | CVE Modified | [email protected] |
| Oct 14, 2026 | Initial Analysis | [email protected] |
| Oct 13, 2026 | CVE Modified | CISA-ADP |
| Oct 13, 2026 | New CVE Received | [email protected] |