Name: CVE-2026-45456: Access of Resource Using Incompatible Type
Creator: Rapid7
Published: 2026-06-09T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-45456, CWE-843, CVSS 8.4, EPSS 0.0015

Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS Details

CVSS 3.1 Base Score: 8.4
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Microsoft Office	—	Download and install Microsoft KB5002879Upgrade to the latest version of Microsoft Office	Jun 12, 2026	Jun 9, 2026
Microsoft Sharepoint	—	Upgrade to the latest version of Microsoft SharePoint 2016Upgrade to the latest version of Microsoft SharePoint 2019Upgrade to the latest version of Microsoft SharePoint Subscription Edition	Jun 9, 2026	Jun 9, 2026

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CVSS Details

Covered by Rapid7

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