Vulnerability · Published Oct 13, 2021 · Assigned by microsoft
CVE-2021-40485Microsoft Excel Remote Code Execution Vulnerability
High 7.8
In plain English
A high-severity code injection 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 2.7% (higher than 86% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)2.7%top 14.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Microsoft Excel Remote Code Execution Vulnerability
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2013 Service Pack 1 | 15.0.0 – before 15.0.5389.1000 |
| Microsoft | Microsoft Office 2019 | 19.0.0 – before https://aka.ms/OfficeSecurityReleases |
| Microsoft | Microsoft Office 2019 for Mac | 16.0.0 – before 16.54.21101001 |
| Microsoft | Microsoft Office Online Server | 16.0.1 – before 16.0.10379.20000 |
| 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 16.54.21101001 |
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1 – before https://aka.ms/OfficeSecurityReleases |
| Microsoft | Microsoft Excel 2016 | 16.0.0.0 – before 16.0.5227.1000 |
| Microsoft | Microsoft Excel 2013 Service Pack 1 | 15.0.0.0 – before 15.0.5389.1000 |
Weakness: CWE-94 · 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