Vulnerability Details CVE-2026-63519
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 28.9%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2026-63519
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cpe:2.3:a:microsoft:365_apps:-
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cpe:2.3:a:microsoft:microsoft_365:-
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cpe:2.3:a:microsoft:office_2019:-
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cpe:2.3:a:microsoft:office_2021:-
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cpe:2.3:a:microsoft:office_2024:-