HIGHCVSS 7.8Actively exploited · CISA KEV since 2021-11-17Vulnerability

CVE-2021-42292

A security feature bypass vulnerability in Microsoft Excel would allow a local user to perform arbitrary code execution.

Properties

Euvd product
Microsoft Office 2019 for Mac, Microsoft Excel 2013 Service Pack 1, Microsoft Excel 2016, Microsoft Office LTSC 2021, Microsoft Office LTSC for Mac 2021, Microsoft Office 2016, Microsoft Office 2019, Microsoft 365 Apps for Enterprise, Microsoft Office 2013 Service Pack 1
Vulnerability name
Microsoft Excel Security Feature Bypass
First seen
2026-08-19T16:27:22+00:00
Cvss score
7.8
Epss score
0.43005
Last seen
2026-10-19T12:00:27+00:00
Due date
2021-12-01
Euvd assigner
microsoft
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2021-11-17T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-17
Euvd base score version
3.1
Score
7.8
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Microsoft
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.8

Related Entities (21)

AFFECTS_PRODUCT (19)

→[Product]cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x86:*
→[Product]cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x64:*
→[Product]cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x86:*
→[Product]cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x64:*
→[Product]cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*
→[Product]cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x64:*
→[Product]cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x64:*
→[Product]cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:macos:-:*
→[Product]cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x86:*
→[Product]cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*
→[Product]cpe:2.3:a:microsoft:office:2013:sp1:*:*:-:*:*:*
→[Product]cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
→[Product]cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:*
→[Product]cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:*
→[Product]cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*
→[Product]cpe:2.3:a:microsoft:excel:2013:sp1:*:*:-:*:*:*
→[Product]cpe:2.3:a:microsoft:office:2019:*:*:*:*:-:*:*
→[Product]cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:*:*

DESCRIBES (1)

←[KEVEntry]Microsoft Excel Security Feature Bypass

INVOLVES (1)

←[Signal]kev_added · 2021-11-17

Explore deeper with Ninja Signal's threat intelligence graph

Search in SpektrOpen Signal Desktop
CVE-2021-42292 (CVSS 7.8) — Ninja Signal Threat Intelligence | Ninja Signal