CVE-2021-31939

Microsoft Excel Remote Code Execution Vulnerability

CVSS 7.8 HIGHEPSS 13.3%

Vexday Risk Score

26Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.8EPSS 13.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

08 Jun 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Microsoft Excel Remote Code Execution Vulnerability

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

Affected products

Microsoft · Microsoft 365 Apps for Enterprise Microsoft · Microsoft Excel 2013 Service Pack 1 Microsoft · Microsoft Excel 2016 Microsoft · Microsoft Office 2013 Service Pack 1 Microsoft · Microsoft Office 2016 Microsoft · Microsoft Office 2019 Microsoft · Microsoft Office Web Apps Server 2013 Service Pack 1 Microsoft · Office Online Server

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31939 https://www.zerodayinitiative.com/advisories/ZDI-21-670/