MicrosoftRadarIndependent status for Microsoft services

Microsoft Office app Remote Code Execution Vulnerability

CVE-2021-43905 is a remote code execution vulnerability in Microsoft Office (rated Critical, CVSS 9.6).

1 version

Facts

Microsoft id
CVE-2021-43905
Products
Microsoft Office
Severity
Critical
Impact
Remote Code Execution
CVSS
9.6
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation More Likely
Customer action required
Yes
Release
2021-Dec
Assigned by
Microsoft
MSRC revision
1.1
Status pages
Microsoft 365 apps status
First captured by us
(from our first import of this list)
Microsoft last modified
Source
Security updates · open the original at Microsoft

Microsoft's revision notes

  1. Revision 1.0, 2021-12-14: Information published.
  2. Revision 1.1, 2021-12-16: Added an FAQ to indicate the app version that contains the update.

Microsoft says

How do I get the update for Office app? The Microsoft Store will automatically update affected customers.

Security updates,

Read Microsoft's full post

What Microsoft changed

We have one version of this item so far. When Microsoft edits it (a new date, status or text), the earlier version stays here and the change is shown.

Other changes for Microsoft 365 apps