CVE-2021-34518
High
Published: 14 July 2021
Published
14 July 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.0381
88.4th percentile
Risk Priority
18
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-34518 is a high-severity an unspecified weakness vulnerability in Microsoft Excel. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 11.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-21172
Vulnerability details
Microsoft Excel Remote Code Execution Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
microsoft
excel
2013, 2016
microsoft
office web apps server
2013
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.