CVE-2026-45460: Microsoft Office Information Disclosure Vulnerability
Buffer over-read 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 16.110.26061317 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.20131.20024
Event History
Frequently Asked Questions
What is the severity of CVE-2026-45460?
CVE-2026-45460 has a medium severity rating of 4.7.
How do I fix CVE-2026-45460?
To address CVE-2026-45460, ensure you install the latest security updates provided by Microsoft for your affected Office applications.
What types of Microsoft Office software are affected by CVE-2026-45460?
CVE-2026-45460 affects Microsoft 365 Apps for Enterprise, Microsoft Office 2019, 2021, 2024, and their respective LTSC versions.
What does CVE-2026-45460 allow an attacker to do?
CVE-2026-45460 allows an unauthorized attacker to perform an out-of-bounds read and disclose information locally.
When was CVE-2026-45460 published and modified?
CVE-2026-45460 was published on June 9, 2026, and modified on June 17, 2026.