CVE-2026-97762

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Write in Microsoft Office Excel

Publication date: 2026-10-13

Last updated on: 2026-10-15

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-13

Last Modified

2026-10-15

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-97762

EUVD

EUVD-2026-100292

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	365_apps	*
microsoft	365_apps	*
microsoft	microsoft_365	*
microsoft	office_2021	*
microsoft	office_2021	*
microsoft	office_2021	*
microsoft	office_2024	*
microsoft	office_2024	*
microsoft	office_2024	*
microsoft	office_online_server	to 16.0.10417.20228 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-787	The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This is an out-of-bounds write vulnerability in Microsoft Office Excel. It allows an unauthorized attacker to execute arbitrary code remotely over a network by exploiting a flaw in how Excel handles memory operations.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your system, potentially leading to data theft, system damage, or unauthorized access. Users could be impacted if they open a specially crafted Excel file from an untrusted source.

Mitigation Strategies

Apply the latest security updates from Microsoft for affected Office products immediately. Monitor Microsoft's official advisory for patches and install them as soon as available.

Hi! I’m here to help you understand CVE-2026-97762. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70