product of microsoft

office online server

4 thingsrelated by NVD
Severity

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Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81956
Severity high
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81947
Severity high
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to disclose…
CVE-2026-81401
Severity medium
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-81390
Severity medium