PT-2026-58581 · Microsoft · Office Excel

CVE-2026-55138

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Published

2026-07-14

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Updated

2026-07-14

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Name of the Vulnerable Software and Affected Versions Microsoft Office Excel (affected versions not specified)
Description An untrusted pointer dereference allows an unauthorized attacker to locally disclose sensitive information and affect the system. A pointer dereference occurs when a program attempts to read data from a memory address that it does not have permission to access or that is invalid.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Untrusted Pointer Dereference

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Weakness Enumeration

Related Identifiers

BDU:2026-10323
CVE-2026-55138

Affected Products

Office Excel