PT-2026-87985 · Microsoft · Office 365 For Mac+3

CVE-2026-78439

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Published

2026-09-08

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Updated

2026-09-08

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Stack-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

Fix

Stack Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-78439

Affected Products

Office 365 For Mac
Office Ltsc For Mac 2021
Office Ltsc For Mac 2024
Office For Android