CVE-2026-40364
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Published May 12, 2026 · updated Jun 17, 2026 · microsoft 365 apps
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 12, 2026 · NIST NVD
Detected
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Jun 17, 2026 · NIST NVD
Updated
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Affected
- cpe microsoft/365 appsversion unspecified
- cpe microsoft/office2019
- cpe microsoft/office long term servicing channel2021
- cpe microsoft/office long term servicing channel2024
Sources
- CVE.orgVulnerability recordCVE-2026-40364
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-40364
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.
nvd.nist.gov