High severity7.8NVD Advisory· Published Aug 12, 2025· Updated Jun 17, 2026
CVE-2025-53739
CVE-2025-53739
Description
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Affected products
10- Microsoft/Microsoft 365 Apps for Enterprisev5Range: 16.0.1
- Range: 16.0.0.0
- Range: 19.0.0
16.0.1+ 1 more
- (no CPE)range: 16.0.1
- (no CPE)range: 16.0.0
- Range: 16.0.0.0
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53739nvdVendor Advisory
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