Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Required
Privileges Required
None
Attack Vector
Local
0

CVE-2021-43256

Disclosure Date: December 15, 2021
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

Microsoft Excel Remote Code Execution Vulnerability

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CVSS V3 Severity and Metrics
Base Score:
7.8 High
Impact Score:
5.9
Exploitability Score:
1.8
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • microsoft

Products

  • 365 apps -,
  • excel 2013,
  • excel 2016,
  • excel rt 2013,
  • office 2019,
  • office 2021,
  • office online server -,
  • office web apps 2013

Additional Info

Technical Analysis