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High severity7.8NVD Advisory· Published Sep 9, 2025· Updated Jun 17, 2026

CVE-2025-54899

CVE-2025-54899

Description

Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Affected products

8

Microsoft/Office Excelllm-fuzzy
Microsoft/Microsoft 365 Apps for Enterprisev5
Range: 16.0.1
Microsoft/Excel 2007 SP3cpe-rescue
Range: 16.0.0.0
Microsoft/Office Visiocpe-rescue
Range: 19.0.0
Microsoft/Officecpe-rescue2 versions
16.0.1+ 1 more
- (no CPE)range: 16.0.1
- (no CPE)range: 16.0.0
Microsoft/Office For Maccpe-rescue2 versions
16.0.1+ 1 more
- (no CPE)range: 16.0.1
- (no CPE)range: 16.0.0

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54899nvdVendor Advisory

News mentions

0

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