CVE-2022-21840

—1

CVSS 3.1

8.8 high

EPSS

3%p87

Published

Jan 11, 2022 (Jan 11, 2022)

Modified

Jun 17, 2026

Description

Microsoft Office Remote Code Execution Vulnerability

Vendors: microsoft
Products: excel, office, office long term servicing channel, office online server, office web apps, sharepoint enterprise server, sharepoint server
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (3.1%)

In the news6 stories

First Patch Tuesday of 2022 Brings Fix for a Critical 'Wormable' Windows Vulnerability

The Hacker NewsJan 15, 00:00 UTC · Jan 15, 2022Vulnerability CVE-2022-21907 CVE-2021-22947 CVE-2021-36976+10 CVEs

60

Threat Source Newsletter (Jan. 13, 2022)

Cisco TalosJan 13, 19:00 UTC · Jan 13, 2022Ransomware in the wildCVE-2022-21840 CVE-2022-21841 CVE-2022-21837+1 CVEs

60

‘Wormable’ Flaw Leads January 2022 Patch Tuesday

Krebs on SecurityJan 11, 22:53 UTC · Jan 11, 2022Vulnerability in the wildCVE-2022-21907 CVE-2022-21846 CVE-2021-22947+2 CVEs

60

Microsoft Patch Tuesday for Jan. 2022 — Snort rules and prominent vulnerabilities

Cisco TalosJan 11, 22:12 UTC · Jan 11, 2022Vulnerability in the wildCVE-2022-21840 CVE-2022-21841 CVE-2022-21837+7 CVEs

60

Microsoft Patch Tuesday fixes critical Office RCE

Security AffairsJan 11, 20:38 UTC · Jan 11, 2022Vulnerability CVE-2022-21840 CVE-2022-219071

60

Microsoft fixes wormable RCE in Windows Server and Windows (CVE-2022-21907)

Help Net SecurityJan 11, 00:00 UTC · Jan 11, 2022Vulnerability CVE-2022-21907 CVE-2021-22947 CVE-2021-36976+4 CVEs

60