Vulnerability · Published Jul 14, 2021 · Assigned by microsoft
CVE-2021-34518Microsoft Excel Remote Code Execution Vulnerability
High 7.8
In plain English
A high-severity security flaw in Microsoft Excel 2013 Service Pack 1 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)2.4%top 16.2% 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)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Excel 2013 Service Pack 1 | 15.0.0.0 – before 15.0.5363.1000 |
| Microsoft | Microsoft Excel 2016 | 16.0.0.0 – before 16.0.5188.100 |
| Microsoft | Microsoft Office Web Apps Server 2013 Service Pack 1 | 15.0.1 – before 15.0.5363.1000 |
References
- Microsoft Excel Remote Code Execution Vulnerability vendor-advisory, patch
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34518 x_refsource_MISC, x_transferred