CVE-2026-85875: Microsoft Office Excel Information Disclosure Vulnerability
Microsoft Office Excel Information Disclosure Vulnerability
Other sources
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
— 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 16.0.14334.20896 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.10417.20204Patch KB5002910 - 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 16.0.5569.1003Patch KB5002914 - 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 16.0.5569.1003Patch KB5002904
Event History
Frequently Asked Questions
What does an attacker need to exploit this issue?
The attacker must be able to act locally and requires user interaction. No privileges are required according to the supplied CVSS vector.
What is the expected impact if exploitation succeeds?
Successful exploitation can disclose information. The supplied impact metrics indicate high confidentiality impact, with no integrity or availability impact.
Which deployments are in scope?
The affected software list includes Excel 2016, Microsoft 365 Apps for Enterprise, Office 2016, Office 2019 for 32-bit editions, Office LTSC 2021 for 32-bit and 64-bit editions, Office LTSC 2024 for 64-bit editions, and Office LTSC for Mac 2024.