CVE-2026-78439
Microsoft Office Graphics Component Remote Code Execution Vulnerability
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
Stack-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
| Vendor | microsoft |
| Product | microsoft office 365 for mac |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Sep 8, 2026 |
| Last Updated | Sep 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Microsoft Office 365 for Mac
-
Microsoft / Microsoft Office for Android
16.0.1 < 16.0.20430.20000
Microsoft / Microsoft Office LTSC for Mac 2021
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Microsoft / Microsoft Office LTSC for Mac 2024
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