Microsoft Excel Remote Code Execution Vulnerability
CVE-2023-23399

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Office 2019
Microsoft Office 2019 For Mac
Microsoft Office Online Server
Microsoft 365 Apps For Enterprise
Vendor
CVE Published:
14 March 2023

What is CVE-2023-23399?

A vulnerability in Microsoft Excel allows attackers to execute arbitrary code by tricking users into opening a specially crafted file. This could lead to unauthorized access to sensitive data and compromise the integrity of local systems. Users are advised to ensure they employ the latest security updates and practice caution when handling unknown documents.

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Excel 2013 Service Pack 1 ARM64-based Systems 15.0.0.0 < 15.0.5537.1000

Microsoft Excel 2016 32-bit Systems 16.0.0.0 < 16.0.5387.1000

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.