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High severity8.8NVD Advisory· Published Oct 13, 2026· Updated Oct 13, 2026

CVE-2026-105718

CVE-2026-105718

Description

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Affected products

1

Microsoft/Office Excelllm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105718nvd

News mentions

1

Microsoft Patch Tuesday for October 2026 — Snort rules and prominent vulnerabilities
Cisco Talos Intelligence · Oct 13, 2026