CVE-2026-118712

HighCVSS 8.8/10Last modified Nov 10, 2026

Description

Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-191

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Nov 10, 2026
Last modified
Nov 10, 2026
NVD status
Undergoing Analysis

Related CVEs from 2026

CVE-2026-1187138.8Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-1187148.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-1187158.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges over a network.CVE-2026-1187168.8Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-1187178.8Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-1187188.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-1187198.8Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-118724.3The Clever Mega Menu for Visual Composer WordPress plugin through 1.0.1 does not perform a nonce or capability check in an AJAX action that CVE-2026-1187208.8Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-1187218.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-1187228.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-1187237.8Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-118712: High severity, CVSS 8.8 | Vulnix