Vulnerability in Microsoft Excel
CVE-2021-34518
Microsoft Excel Remote Code Execution Vulnerability
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.024 · change: +0.000
Affected products
- Microsoft Excel — versions 2013, 2016
- Microsoft Excel 2013 Service Pack 1 — versions 15.0.0.0
- Microsoft Excel 2016 — versions 16.0.0.0
- Microsoft Office Web Apps Server 2013 Service Pack 1 — versions 15.0.1
- Microsoft Office Web Apps Server — versions 2013
References
- af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34518 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2021-34518?
- CVE-2021-34518 is a high-severity vulnerability in Microsoft Excel. CVSS score: 7.8/10. Published 2021-07-14.
- How severe is CVE-2021-34518?
- High severity. CVSS v3 base score is 7.8 out of 10.