CVE-2026-70263: Microsoft Office Word Information Disclosure Vulnerability
Microsoft Office Word Information Disclosure Vulnerability
Other sources
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in https://aka.ms/OfficeSecurityReleases - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.17932.21056 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.14334.20974
Event History
Frequently Asked Questions
What access does an attacker need to exploit this issue?
The vulnerability is rated as network-reachable and low complexity, and it does not require attacker privileges. User interaction is required for exploitation.
Which Office products are listed as affected?
The listed products are Microsoft 365 Apps for Enterprise; Microsoft Office LTSC 2024 for 32-bit and 64-bit editions; Microsoft Office LTSC 2021 for 32-bit and 64-bit editions; Microsoft Office LTSC for Mac 2021 and 2024; and Microsoft Office 365 for Mac.