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Vulnerabilities

Vulnerability · CVE-2022-21840

Microsoft Office Remote Code Execution Vulnerability

Published Jan 11, 2022 · catalog updated Jun 17, 2026 · Microsoft Office Remote Code

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2022-21840. EPSS is 3.10%. Act only if a listed version of Microsoft Office Remote Code is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Microsoft Office Remote Code).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
3.10%
Remediation
Advisory link
Affected products
cpe microsoft/excel · cpe microsoft/office

Microsoft Office Remote Code Execution Vulnerability

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/excel2013
  • cpe microsoft/excel2016
  • cpe microsoft/office2013

How to fix CVE-2022-21840

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    No version range is stored, so an installed version cannot be checked on this page.

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2022-21840. EPSS is 3.10%. Act only if a listed version of Microsoft Office Remote Code is installed.

Which versions are affected?

Compare what you have installed with 2013, 2016. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 3.10%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 11, 2022 · Monitored products — critical

    Detected

    Microsoft Office Remote Code Execution Vulnerability

  2. Jun 17, 2026 · Monitored products — critical

    Updated

    Microsoft Office Remote Code Execution Vulnerability

Sources

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 2, 2026
  • Monitored products — criticalNov 2, 2026