PT-2026-40197

CVE-2026-40362

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Published

2026-05-12

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Updated

2026-09-21

Description by

CVSS 3.1
7.8
High
MetricsAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Microsoft Office Excel (affected versions not specified)
Description A heap-based buffer overflow allows an unauthorized attacker to execute code locally. This occurs when the software fails to properly handle memory allocation on the heap, which is a region of memory used for dynamic memory allocation, potentially leading to remote code execution through malicious .xlsx files.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.
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