CVE-2026-69626: Microsoft Office Information Disclosure Vulnerability
Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information over a network.
Other sources
Microsoft Office Information Disclosure Vulnerability
— 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 16.0.5569.1000Patch KB5002916 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.112.26083020 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.17932.20976 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.14334.20906 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.20326.20138 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.10417.20207
Event History
Frequently Asked Questions
What does an attacker need to exploit this issue?
The attacker can attempt exploitation over a network without prior privileges, but user interaction is required. The issue is a buffer over-read that can disclose information.
Which Office deployments are listed as affected?
The listed software includes Microsoft Office 2016, Microsoft 365 Apps for Enterprise, Microsoft Office 365 for Mac, Office LTSC for Mac 2024, and Office LTSC 2021 and 2024 for both 32-bit and 64-bit editions.