Vulnerability Details CVE-2025-29979
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 19.7%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2025-29979
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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_long_term_servicing_channel:2021
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cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024
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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