CVE-2021-31939
High
Published: 08 June 2021
Published
08 June 2021
Modified
21 November 2024
KEV Added
—
Patch
—
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
0.1626
95.0th percentile
Risk Priority
25
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-31939 is a high-severity an unspecified weakness vulnerability in Microsoft Office. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 5.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-18812
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
365 apps
all versions
microsoft
excel
2013, 2016
microsoft
office
2013, 2016, 2019
microsoft
office online server
all versions
microsoft
office web apps server
2013
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.