CVE-2021-42292 HIGH

CVE-2021-42292: Microsoft Excel Security Feature Bypass Vulnerability

Vendor Microsoft
Product Microsoft Office 2019
KEV Status Known Exploited
Published November 10, 2021
Last update October 21, 2025

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

What the vulnerability does

01Description

Microsoft Excel Security Feature Bypass Vulnerability

CISA mandated remediation

02CISA Required Action

Apply updates per vendor instructions.

Key dates

03Disclosure timeline

November 10, 2021 CVE published
October 21, 2025 Record updated