CVE-2026-70206: 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 16.0.14334.20974 - 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 https://aka.ms/OfficeSecurityReleases
Event History
Frequently Asked Questions
Does exploitation require an authenticated account or elevated privileges?
No. The vulnerability is rated PR:N, indicating the attacker does not need privileges before exploitation.
Is user interaction required for exploitation?
Yes. The UI:R metric indicates that exploitation requires user interaction.
What is the expected security impact if exploitation succeeds?
The rated impact is high confidentiality loss, with no integrity or availability impact. Successful exploitation may disclose information.
Which Office deployments are in scope?
Affected software listed includes Microsoft 365 Apps for Enterprise; Office LTSC 2021 and 2024 for 32-bit and 64-bit editions; Office LTSC for Mac 2021 and 2024; and Microsoft Office 365 for Mac.