CVE-2026-108436: 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 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.114.26101123
Event History
Frequently Asked Questions
Which Office deployments are identified as affected?
The affected software list includes Microsoft 365 Apps for Enterprise; Office LTSC 2024 and 2021 for 32-bit and 64-bit editions; and Office LTSC for Mac 2024 and 2021, as well as Office 365 for Mac.
Does exploitation require authentication or user interaction?
The supplied vector indicates no privileges are required, but user interaction is required. The vulnerability is network-reachable and has low attack complexity.
What is the expected security impact?
Successful exploitation can disclose information through an out-of-bounds read in Microsoft Word. The provided metrics indicate high confidentiality impact, with no integrity or availability impact.