CVE-2021-40479

Published on: 10/12/2021 12:00:00 AM UTC

Last Modified on: 10/19/2021 03:23:00 PM UTC

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

Certain versions of 365 Apps from Microsoft contain the following vulnerability:

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-40471, CVE-2021-40473, CVE-2021-40474, CVE-2021-40485.

  • CVE-2021-40479 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.8 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
LOCAL LOW NONE REQUIRED
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 6.8 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
Security Update Guide - Microsoft Security Response Center portal.msrc.microsoft.com
text/html
URL Logo MISC portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40479

Related QID Numbers

  • 110393 Microsoft Office and Microsoft Office Services and Web Apps Security Update October 2021

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMicrosoft365 Apps-AllAllAll
ApplicationMicrosoftOffice2013sp1AllAll
ApplicationMicrosoftOffice2013sp1AllAll
ApplicationMicrosoftOffice2016AllAllAll
ApplicationMicrosoftOffice2019AllAllAll
ApplicationMicrosoftOffice Long Term Servicing Channel2021AllAllAll
  • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*:
  • cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:*:
  • cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:*:
  • cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:*:*:
  • cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*:
  • cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-40479 : Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-40471, CVE… twitter.com/i/web/status/1… 2021-10-13 00:44:09
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