CVE-2026-70323: Microsoft Office Information Disclosure Vulnerability
Improper input validation in Microsoft Office allows an unauthorized attacker to disclose information locally.
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 16.112.26081010 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in https://aka.ms/OfficeSecurityReleases
Event History
Frequently Asked Questions
What is the severity of CVE-2026-70323?
CVE-2026-70323 has a medium severity rating of 5.5.
How do I fix CVE-2026-70323?
To fix CVE-2026-70323, ensure that your Microsoft Office software is updated to the latest version provided by Microsoft.
What software is affected by CVE-2026-70323?
CVE-2026-70323 affects various Microsoft Office products, including Microsoft 365 Apps for Enterprise and Microsoft Office LTSC for Mac versions.
What type of vulnerability is CVE-2026-70323?
CVE-2026-70323 is classified as an information disclosure vulnerability due to improper input validation.
What can an attacker do with CVE-2026-70323?
An attacker exploiting CVE-2026-70323 can disclose local information that should remain confidential.