CVE-2026-80082: Microsoft Office Information Disclosure Vulnerability
Microsoft Office Information Disclosure Vulnerability
Other sources
Out-of-bounds read in Microsoft Office 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 16.0.17932.20960 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.20326.20136 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.14334.20896 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.10417.20204
Event History
Frequently Asked Questions
What does an attacker need to exploit this issue?
The attacker does not need prior privileges, but exploitation requires user interaction. The vulnerability is reachable over a network and could disclose information through an out-of-bounds read.
Which Office deployments are listed as affected?
The listed software includes Microsoft 365 Apps for Enterprise; Office 365 for Mac; Office LTSC 2024 for 32-bit and 64-bit editions; Office LTSC for Mac 2024; Office LTSC 2021 for 64-bit editions; Office 2019 for 64-bit editions; and Office LTSC for Mac 2021.