CVE Tools
Track your stack

CVE-2022-21840

No known exploitation. EPSS puts it in the 89th percentile. Fixed versions are out.

CVSS 3.18.8HighEPSS percentile89th3.3% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products5 fixed builds listed below
Check it yourself

OpenVAS · 18 checks

e.g. OID 1.3.6.1.4.1.25623.1.0.818955

Run the check

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Microsoft SharePoint Enterprise Server 2016Affected: ≥ 16.0.0, < 16.0.5266.1000Upgrade to: 16.0.5266.1000Stated by: CVE record
  • Microsoft SharePoint Enterprise Server 2013 Service Pack 1Affected: ≥ 15.0.0, < 15.0.5415.1000Upgrade to: 15.0.5415.1000Stated by: CVE record
  • Microsoft SharePoint Server 2019Affected: ≥ 16.0.0, < 16.0.10382.20004Upgrade to: 16.0.10382.20004Stated by: CVE record
  • Microsoft Office 2019Affected: ≥ 19.0.0, < https://aka.ms/OfficeSecurityReleasesUpgrade to: https://aka.ms/OfficeSecurityReleasesAffected: ≥ 16.0.1, < https://aka.ms/OfficeSecurityReleasesUpgrade to: https://aka.ms/OfficeSecurityReleasesAffected: ≥ 16.0.0, < 16.0.5266.1000Upgrade to: 16.0.5266.1000Affected: ≥ 15.0.0, < 15.0.5415.1000Upgrade to: 15.0.5415.1000Stated by: CVE record
  • Microsoft Office 2019 for MacAffected: ≥ 16.0.0, < 16.57.22011101Upgrade to: 16.57.22011101Stated by: CVE record

Versions as the sources state them. 10 more products have version data. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

Microsoft Office Remote Code Execution Vulnerability

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS89th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

3.3% chance of exploitation activity in the next 30 days, which ranks it in the 89th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

5 events over 1626 days, from the signal feeds we watch.

  1. OpenVAS check added
  2. Patch availablerecord updated
  3. Publishedweakness classified

Affected products

And 31 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Scored 8.8 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction RequiredA user must click a link, open a file, or perform some action

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

Sources

References in the record

And 1 more reference. See all after sign-in

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for Microsoft, not every advisory.