Vulnerability Details CVE-2026-55054
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 46.4%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-55054
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cpe:2.3:a:microsoft:365_apps:-
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cpe:2.3:a:microsoft:excel:2016
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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:-
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cpe:2.3:a:microsoft:office_365:-
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cpe:2.3:a:microsoft:office_online_server:-
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cpe:2.3:a:microsoft:office_online_server:1.0
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cpe:2.3:a:microsoft:office_online_server:16.0.10410.20003
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cpe:2.3:a:microsoft:office_online_server:16.0.10414.20000
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cpe:2.3:a:microsoft:office_online_server:16.0.10416.20047
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cpe:2.3:a:microsoft:office_online_server:16.0.10416.20058
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cpe:2.3:a:microsoft:office_online_server:16.0.10417.20027
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cpe:2.3:a:microsoft:office_online_server:16.0.10417.20047
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cpe:2.3:a:microsoft:office_online_server:16.0.10417.20059
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cpe:2.3:a:microsoft:office_online_server:16.0.10417.20068
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cpe:2.3:a:microsoft:office_online_server:16.0.10417.20075
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cpe:2.3:a:microsoft:office_online_server:16.0.10417.20113
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cpe:2.3:o:apple:macos:-