PT-2026-24318 · Microsoft · Office Excel

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CVE-2026-26108

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Published

2026-03-10

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Updated

2026-04-07

CVSS v3.1

7.8

High

VectorAV: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 exists in Microsoft Office Excel. This issue allows an unauthorized attacker to execute code locally. Exploitation may allow an attacker to execute arbitrary code and affect the system.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Memory Corruption

Heap Based Buffer Overflow

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Weakness Enumeration

Related Identifiers

BDU:2026-03045
CVE-2026-26108

Affected Products

Office Excel