High severity8.8NVD Advisory· Published Oct 13, 2026· Updated Oct 13, 2026
CVE-2026-97739
CVE-2026-97739
Description
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
1- Microsoft Patch Tuesday for October 2026 — Snort rules and prominent vulnerabilitiesCisco Talos Intelligence · Oct 13, 2026