VDB

CVE-2021-42296

CVE-2021-42296 PUBLISHED CVSS 7.8 HIGH

Microsoft Word Remote Code Execution Vulnerability

Reported by microsoft · Published November 10, 2021

Microsoft Word Remote Code Execution Vulnerability

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
Microsoft 365 Apps for EnterpriseMicrosofthttps://aka.ms/OfficeSecurityReleases
Azure SphereMicrosoft22.07
Microsoft Office LTSC 2021Microsofthttps://aka.ms/OfficeSecurityReleases

Risk scores

CVSS 3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected products

VendorProductVersions
MicrosoftMicrosoft 365 Apps for Enterprise16.0.1
MicrosoftMicrosoft Office LTSC 202116.0.1
MicrosoftMicrosoft 365 Apps for Enterprise16.0.1
MicrosoftMicrosoft Office LTSC 202116.0.1
microsoftoffice_202116.0.1
microsoft365_apps16.0.1

Timeline

  • Nov 9, 2021 CVE Published
  • Nov 10, 2021 EPSS Score (30 in total, the first dated here)
  • Sep 30, 2025 PoC Published
  • Apr 15, 2026 Security Advisory (6 in total, the first dated here)
  • Jul 20, 2026 Coalition ESS Score

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2021-42296
vulnetix vdb fixes CVE-2021-42296

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-42296/fixes/registry"

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