CVE-2026-78439: Stack-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

PriorityP357high8.8CVSS 3.1

AVNACLPRNUIRSUCHIHAH

EPSS

0.62%

47.6th percentile

Stack-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
microsoft	microsoft_office_365_for_mac	—	—
microsoft	microsoft_office_for_android	>= 16.0.1 < 16.0.20430.20000	16.0.20430.20000
microsoft	microsoft_office_ltsc_for_mac_2021	—	—
microsoft	microsoft_office_ltsc_for_mac_2024	—	—

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