CVE-2025-54901

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS

0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-25)

CWE

CWE-126

Published

2025-09-09

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

Affected

• microsoft:365_apps
• microsoft:excel
• microsoft:office
• microsoft:office_long_term_servicing_channel

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54901

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