Vulnerability Details CVE-2026-40420
Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 14.3%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-40420
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cpe:2.3:a:microsoft:365_apps:-
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cpe:2.3:a:microsoft:office:2019
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cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021
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cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024