Vulnerability · Published Mar 14, 2023 · Assigned by microsoft

CVE-2023-23399Microsoft Excel Remote Code Execution Vulnerability

High 7.8

In plain English

A high-severity out-of-bounds read in Microsoft 365 Apps for Enterprise from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.5% (higher than 85% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)2.5%top 15.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Microsoft Excel Remote Code Execution Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft Office 2019 19.0.0 – before https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office 2019 for Mac 16.0.0 – before 16.71.23031200
Microsoft Microsoft Office Online Server 16.0.1 – before 16.0.10396.20000
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 – before https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC for Mac 2021 16.0.1 – before 16.71.23031200
Microsoft Microsoft Office LTSC 2021 16.0.1 – before https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Excel 2016 16.0.0.0 – before 16.0.5387.1000
Microsoft Microsoft Office 2016 16.0.0 – before 16.0.5387.1000
Microsoft Microsoft Excel 2013 Service Pack 1 15.0.0.0 – before 15.0.5537.1000
Microsoft Microsoft Office 2013 Service Pack 1 15.0.0 – before 15.0.5537.1000
Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1 15.0.1 – before 15.0.5537.1000

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References